id string | dataset string | question string | options list | answer string | explanation string |
|---|---|---|---|---|---|
qasc_7413 | qasc | <ctx>
in some countries there is an overpopulation of pets such as cats, dogs, and exotic animals. in the united states, six to eight million animals are brought to shelters each year, of which an estimated three to four million are subsequently euthanized, including 2. 7 million considered healthy and adoptable. eutha... | [
"decrease",
"eat more",
"increase",
"break off"
] | A | |
medmcqa_18 | medmcqa | <ctx>
the fluoride and phosphate and diffuse into the tooth substrate, forming polysalts, which progressively hydrate to yield a physically stronger matrix. the incorporation of fluoride delays the reaction, increasing the working time. other factors are the temperature of the cement, and the powder to liquid ratio – m... | [
"Maturation",
"Setting",
"Hardening",
"Mineralization"
] | A | Maturation (cement)—The process of hardening a cement matrix through hydration with oral fluids to achieve greater mechanical strength.
Ref: Phillip’s Science of Dental Materials ed 12 pg 309 |
medmcqa_5879 | medmcqa | <ctx>
breadth of their symptoms, and the challenges of identifying impacted patients all complicate the diagnosis. these related conditions include : tunica vasculosa lentis : a capillary network that branches from the hyaloid artery and covers the lens surface ; if this capillary network persists, the lens does not fo... | [
"Hepatitis C infection",
"Amoebic liver abscess",
"Indian childhood cirrhosis",
"Autoimmune hepatitis"
] | C | |
aquarat_30855 | aquarat | <ctx>
to define a father - son distance ( average age of fathers at the birth of their sons ) or not to take sex into account at all in the definition. in age - structured population models, an expression is given by :, where is the growth rate of the population, is the survivorship function ( probability that an indiv... | [
"A)40 yrs",
"B)30 yrs",
"C)50 yrs",
"D)60 yrs"
] | A | After 5 years . if ages are F and S , then
F=3S where F = S+30
F= 3*(F-30) = 3F-90
2F = 90
F =45
so present age = 45-5= 40 years
ANSWER:A |
aquarat_23927 | aquarat | <ctx>
selectively, from information that is available with an ip - related organization and on - line. the first depicts the range and distribution of royalty rates in agreements. the second shows the royalty rate ranges in select technology sectors ( latter data sourced from : dan mcgavock of ipc group, chicago, usa )... | [
"A)8%",
"B)15%",
"C)45%",
"D)42%"
] | D | (9/104)/(3/20) = 30/54 = 57,6% it means that 9/108 represents only 57,6%. Therefore a decrease of 42%.
Answer D |
aquarat_10418 | aquarat | <ctx>
that somebody secretly rolls two fair six - sided dice, and we wish to compute the probability that the face - up value of the first one is 2, given the information that their sum is no greater than 5. let d1 be the value rolled on die 1. let d2 be the value rolled on die 2. probability that d1 = 2 table 1 shows ... | [
"A)a) 1/12",
"B)b) 1/18",
"C)c) 1/6",
"D)d) 5/12"
] | B | We can have 6 different outcomes on a dice.
Total outcomes on two dices = 6*6
We need only the cases when Peter rolls a double, that means only the outcomes in which the numbers on both the dices are same
They can be {1, 5}, {5, 1}.
A total of 2 outcomes
Probability = favorable outcomes/ total outcomes = 2/36 = 1/18.
O... |
aquarat_47411 | aquarat | <ctx>
##900330031400051170742204560859276357953757185954 2988389587092292384910067030341246205457845664136645406842143612930176940208 46391065875914794251435144458199 rsa - 270 rsa - 270 has 270 decimal digits ( 895 bits ), and has not been factored so far. rsa - 270 = 23310853034440754452763765691068052414561981248030... | [
"A)46",
"B)47",
"C)45",
"D)56"
] | C | Cloth bought by John = 9.25 m
Cost of 9.25 m = $416.25
Cost per metre = 416.25 ÷ 9.25
The cost of the cloth per metre = $ 45
Answers: C |
arc_challenge_426 | arc_challenge | <ctx>
. opportunities and challenges for the development of an integrated seaweed - based aquaculture activity in chile : determining the physiological capabilities of macrocystis and gracilaria as biofilters. journal of applied phycology, 20 ( 5 ), 571 - 577. buschmann, a. h., hernandez - gonzalez, m. c., astudillo, c... | [
"The cells of parent algae have nuclei.",
"Each offspring contains chloroplasts.",
"Several offspring may be produced at once.",
"Genetic material is contributed by two parent cells."
] | D | |
qasc_5893 | qasc | <ctx>
herpetology ( from greek ερπετον herpeton, meaning " reptile " or " creeping animal " ) is the branch of zoology concerned with the study of amphibians ( including frogs, toads, salamanders, newts, and caecilians ( gymnophiona ) ) and reptiles ( including snakes, lizards, amphisbaenids, turtles, terrapins, tortoi... | [
"infected",
"amniotes",
"animals",
"graptolites"
] | B | |
aquarat_12379 | aquarat | <ctx>
1. the relation follows by induction for all : thus and are bezout coefficients. consider the matrix the recurrence relation may be rewritten in matrix form the matrix is the identity matrix and its determinant is one. the determinant of the rightmost matrix in the preceding formula is −1. it follows that the det... | [
"A)(s−1)·s·(s+1)",
"B)(s−3)·(s−1)·(s+1)",
"C)(s−2)·s·(s+2)",
"D)(s−1)·s·(s+2)"
] | D | Plugged in values :
let s=5
A. (s−1)·s·(s+1) --> divisible by 3
B. (s−3)·(s−1)·(s+1) --> divisible by 3
C. (s−2)·s·(s+2) --> divisible by 3
D. (s−1)·s·(s+2) --> not divisible. Hence the answer. |
medmcqa_6765 | medmcqa | <ctx>
k. ( 2011 ). mutations in mtfmt underlie a human disorder of formylation causing impaired mitochondrial translation. cell metabolism, 14 ( 3 ), 428 - 434. tucker, e. j., wanschers, b. f., szklarczyk, r., mountford, h. s., wijeyeratne, x. w., van den brand, m. a.,... & thorburn, d. r. ( 2013 ). mutations in the uq... | [
"Flutamide",
"Cimetidine",
"Ranitidine",
"Methotrexate"
] | B | ANSWER: (B) CimetidineREF: APPENDIX-39 below for "DRUGS CAUSING GYNAECOMASTIA"Repeat Pharmacology 2013 Session 2Indirect repeat Pharmacology 2012 Session II, 2006 APPENDIX - 39Causes Of Gynecomastia:IdiopathicDrugs (partial list)Physiologic causesNeonatal periodPubertyAgingObesityAlcoholAlkylating agentsAmiodaroneAnabo... |
aquarat_32268 | aquarat | <ctx>
in mathematics, the remainder is the amount " left over " after performing some computation. in arithmetic, the remainder is the integer " left over " after dividing one integer by another to produce an integer quotient ( integer division ). in algebra of polynomials, the remainder is the polynomial " left over "... | [
"A)2",
"B)1",
"C)0",
"D)3"
] | C | easiest way for me: 49^74 - 5^74 = (49)^37-25^37 = (24*2+1)^37 - (24+1)^37 -> remainder is 1^37 - 1^37 = 0
Ans : C |
medmcqa_6816 | medmcqa | <ctx>
friends and family members, and changes in one's mood. to treat mental fatigue, one must figure out what is causing the fatigue. once the cause of the stress has been identified the individual must determine what they can do about it. most of the time mental fatigue can be fixed by a simple life change like being... | [
"Projection",
"Regression",
"Suppression",
"Sublimation"
] | B | Excessive use of regression causes neurotic illnesses. It is an immature defense mechanism in which person return to an earlier stage of development Eg- A PG Aspirant playing cricket in street with children |
arc_challenge_484 | arc_challenge | <ctx>
off - the - grid or off - grid is a characteristic of buildings and a lifestyle designed in an independent manner without reliance on one or more public utilities. the term " off - the - grid " traditionally refers to not being connected to the electrical grid, but can also include other utilities like water, gas... | [
"Solar energy involves the most dangerous equipment.",
"Solar energy requires the most complicated technology.",
"The supply of solar energy will not change for billions of years.",
"The supply of solar energy causes it to be the cheapest kind of energy."
] | C | |
medmcqa_8164 | medmcqa | <ctx>
11. 9 • pressures in the body 477 other pressures in the body spinal column and skull normally, there is a 5 - to12 - mm hg pressure in the fluid surrounding the brain and filling the spinal column. this cerebrospinal fluid serves many purposes, one of which is to supply flotation to the brain. the buoyant force ... | [
"< 5mm of Hg",
"50-80 mm of Hg",
"10-15 mm of Hg",
"20-30 mm of Hg"
] | C | Normal intracranial pressures : - Newborns : < 5mm of Hg - Infants : 6-15 mm of Hg - Children : 10-15mm of Hg ICP is considered severely elevated, if raised above 40mm of Hg |
openbookqa_3260 | openbookqa | <ctx>
##corrhizal fungi are found in 80 % of plant species and have been surveyed on all continents except antarctica. the biogeography of glomeromycota is influenced by dispersal limitation, environmental factors such as climate, soil series and soil ph, soil nutrients and plant community. while evidence from 2000 sug... | [
"the Amazon",
"the arctic",
"international space station",
"the Sahara"
] | A | |
mmlu_aux_4176 | mmlu_auxiliary | <ctx>
##l, m., callaaghan, t. v., 2000. the arctic : environment, people, policy. harwood academic, uk. stirling, i., lunn, n. j., iacozza, j., 1999. long - term trends in the population ecology of polar bears in western hudson bay in relation to climate change. the arctic institute of north america. v. 52 no. 3, p. 29... | [
"They will be killed by human hunters",
"They will fight with each other for food",
"They have to catch land animals themselves",
"They are likely to die because of lack of food"
] | D | null |
qasc_3672 | qasc | <ctx>
at least 1kb. s. pombe pathways and cellular processes s. pombe gene products ( proteins and rnas ) participate in many cellular processes common across all life. the fission yeast go slim provides a categorical high level overview of the biological role of all s. pombe gene products. life cycle the fission yeast... | [
"death",
"growth",
"cell shrinkage",
"DNA"
] | B | |
openbookqa_2782 | openbookqa | <ctx>
naked eye, also called bare eye or unaided eye, is the practice of engaging in visual perception unaided by a magnifying, light - collecting optical instrument, such as a telescope or microscope, or eye protection. in astronomy, the naked eye may be used to observe celestial events and objects visible without equ... | [
"night",
"noon",
"morning",
"afternoon"
] | A | |
aquarat_21189 | aquarat | <ctx>
multiple choice questionnaire, while the results are made transparent. the average approval rate lays around 80 / 100 with those scoring below more than three times mostly leaving the company. risk salary : in order to have fluctuating labour costs with losses and profits, about a third of the employees may have ... | [
"A)400",
"B)465",
"C)430",
"D)450"
] | B | Let no. of non- officers be x
15 * 430 + x * 110 = (x + 15) 120
x = 465
B |
openbookqa_1666 | openbookqa | <ctx>
added. the system is constructed so that no vapor evaporates while ice warms to become liquid water, and so that, when vaporization occurs, the vapor remains in of the system. the long stretches of constant temperature values at and reflect the large latent heat of melting and vaporization, respectively. water ca... | [
"cup of noodles",
"the hot tea",
"the iced tea",
"tee in alphabet"
] | B | |
medmcqa_7441 | medmcqa | <ctx>
the glycocalyx can be triggered by inflammatory stimuli, such as tumor necrosis factor - alpha. whatever the stimulus is, however, shedding of the glycocalyx leads to a drastic increase in vascular permeability. vascular walls being permeable is disadvantageous, since that would enable passage of some macromolecu... | [
"Endothelial injury",
"Peripheral vasodilation",
"Increased vascular permeability",
"Cytokines action"
] | A | . Endothelial injury |
aquarat_17325 | aquarat | <ctx>
a = 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, and 41. other criteria of this sort, often more efficient ( fewer bases required ) than those shown above, exist. they give very fast deterministic primality tests for numbers in the appropriate range, without any assumptions. there is a small list of potential witn... | [
"A)31",
"B)32",
"C)33",
"D)34"
] | D | 300/17 = 17 (plus remainder) so there are 17 multiples of 17
300/16 = 18 (plus remainder) so there are 18 multiples of 16
We need to subtract 1 because 17*16 is a multiple of both so it was counted twice.
The total is 17+18-1 = 34
The answer is D. |
qasc_887 | qasc | <ctx>
13. 6 • humidity, evaporation, and boiling 563 figure 13. 30 dew drops like these, on a banana leaf photographed just after sunrise, form when the air temperature drops to or below the dew point. at the dew point, the rate at which water molecules join together is greater than the rate at which they separate, and... | [
"dry and hot",
"salt and water.",
"In October",
"during the day"
] | D | |
mmlu_aux_2535 | mmlu_auxiliary | <ctx>
, overharvesting, pollution, invasive species, and climate change. invertebrates makes up most of the earth's biodiversity which is why they do not go extinct as fast as other species. marine invertebrates : these species average lifespan is 5 - 10 million years. many marine invertebrates face extinction because ... | [
"there were too many dinosaurs",
"parts of the earth became cold and dry",
"the dead forests there could not supply them with enough food",
"they couldn't find enough to eat"
] | D | null |
aquarat_7090 | aquarat | <ctx>
into finding relatively prime integers and ( one of which is even ) such that the area is square. for this number to be a square, its four linear factors,,, and ( which are relatively prime ) must themselves be squares ; let and. both and must be odd since exactly one of or is even and the other is odd. therefore... | [
"A)4",
"B)16",
"C)25",
"D)36"
] | C | 25 = 5^2 so it can not be the square of an even number multiplied by an odd number.
The answer is C. |
mmlu_aux_3820 | mmlu_auxiliary | <ctx>
##aila, u. r., and others ( 2011 ). high value and long life — double jeopardy for tunas and billfishes. science, 333, 291 – 292. books and book contributions edited sumaila, u. r. ( 2013 ). game theory and fisheries : essays on the tragedy of free for all fishing. routledge, london, uk, p. 178. noone, k. j., sum... | [
"physics",
"chemistry",
"biology",
"economics"
] | C | null |
pubmedqa_515 | pubmedqa | <ctx>
32 %. obesity is a major public health problem in the usa owing to its rapidly increasing prevalence, substantial mortality and morbidity, and growing healthcare costs. several studies have inquired about the relationship between community food environment and obesity is significant and inverse among us adults. t... | [
"yes",
"no",
"maybe"
] | B | |
aquarat_44680 | aquarat | <ctx>
this equation and entering the known values gives 10. 28 10. 29 10. 30 10. 31 10. 32 10. 33
32 7. 33
a time, to see the result. here are a few expressions to try : • x = 5 • 3 * x - 5 • 3 * ( x - 5 ) • x • type ( 1 ) • type ('1')
get 31. 55 31. 56 × × ×
</ctx>
The following are multiple choice questions (with... | [
"A)31.5",
"B)25.5",
"C)32.5",
"D)33.8"
] | A | A/B=7/5,
B/C=3/4,C=30
B=90/4
4A/90=7/5
A=630/20
A=31.5
ANSWER:A |
aquarat_5320 | aquarat | <ctx>
uniform performance, or are some capable of producing more of the product? if so, are additional employees required to work the higher - performing machines ( e. g., some machines may be larger and require more operators, producing more of the product as a result )? • what is the average uptime and downtime for e... | [
"A)43.33%",
"B)66.66%",
"C)13.33%",
"D)38.33%"
] | B | Given 60% of 10 employees including 2 who are capable of doing task.
60% of 10 employeees
= 60/100 * 10
= 6 employees
===> 2 employees who are capable of doing the task and four employee who is not capable.
percentage of employees assigned who are not capable
= 4/6 * 100
= 66.66%
ANSWER:B |
aquarat_23620 | aquarat | <ctx>
100, which immediately proves that 100 is not prime. every positive integer except 1 is divisible by at least one prime number by the fundamental theorem of arithmetic. therefore the algorithm need only search for prime divisors less than / equal to. for another example, consider how this algorithm determines the... | [
"A)9",
"B)12",
"C)18",
"D)28"
] | D | Lets take an example: find the number of factors of 100
try to represent 100 in least possible prime numbers
100= 2^2 * 5^2=p^a*q^b
no of factors is given by the formula (a+1)* (b+1)=(2+1)(2+1)=9
similarly find the number of factors of p^3 * q^6--->a=3,b=6
(3+1)(6+1)=28 Ans D. |
aquarat_47157 | aquarat | <ctx>
total sales or incremental sales. pma, a marketing firm, estimated that in 2005, $ 486. 5 million worth of rebates were redeemed. the redemption rates averaged 21. 1 % when calculated as a percentage of total sales, and 67. 6 % when calculated as a percentage of incremental sales. pma notes, " these statistics re... | [
"A)$7000",
"B)$9000",
"C)$11,000",
"D)$13,000"
] | B | 240+0.06(x-1000) = 0.08x
0.02x = 180
x = $9,000
The answer is B. |
medmcqa_6996 | medmcqa | <ctx>
monitoring is designed to detect mesophilic micro - organisms in the aerobic state. however, some manufacturers may have requirements to examine for other types of microorganisms ( such as anaerobes if nitrogen lines are used as part of the manufacturing process ). surface methods include testing various surfaces... | [
"Skin biopsy",
"Patch test",
"Prick test",
"Estimation of serum IgE levels"
] | B | Ans: B (Patch test) Ref: Eczema. In: Thappa DM. editor. Essentials in Dermatology, 2nd,edn.. New Delhi: jaypee brothers medical publishers (P) Ltd 2009:99-113. & Atopic dermatitis. Eczema and non infectious immunodeficiency disorders. In: James WD. Berger TG, Elston DM. editors. Andrew's diseases of the skin: Clinical ... |
aquarat_18971 | aquarat | <ctx>
##vi, another line recently electrified was the line from seinajoki to vaasa in 2011. the next railway line to be electrified is the railway from turku to uusikaupunki, electrification is scheduled to begin in 2019. running speeds the maximum speed for passenger traffic is, but is achieved only on the kerava – la... | [
"A)6.99",
"B)5.99",
"C)8.99",
"D)4.99"
] | C | Sol.
Speed = [ 68x5/18] m/sec =18.9 m / sec.
Time taken = (170/18.9)sec =8.99 sec.
Answer C |
medmcqa_9801 | medmcqa | <ctx>
1. 5 • measurement uncertainty, accuracy, and precision 39 ( a ) use these values to determine the density of this material. ( b ) do you have any reasonable guesses as to the identity of this material? explain your reasoning. answer : ( a ) 19 g / cm3 ; ( b ) it is likely gold ; the right appearance for gold and... | [
"Measured in supra-orbital ridge",
"Measured hydrocephalus/microcephaly",
"Serial measurement is useful",
"All"
] | D | Ans. is All Options 'a' o Head circumference is measured from the occipital protuberance to the supraorbital ridge on the forehead. Option `b' o If the head circumference growth exceeds 1 cm in 2 weeks during the first 3 months, hydrocephalus should be suspected. o In microcephally head circumference is two standard de... |
openbookqa_1067 | openbookqa | <ctx>
likelihood of having a hospital admission, an 8. 8 percentage point ( 15 % ) increase in the likelihood of taking any prescription drugs, and a 21 percentage point ( 35 % ) increase in the likelihood of having an outpatient visit. medicaid coverage also increased the likelihood of receiving recommended preventive... | [
"a flashback explosion inside a container",
"watching a television drama about heart attacks",
"filling a bucket of water with a hose",
"eating waffles that are just the right temperature"
] | A | |
aquarat_36041 | aquarat | <ctx>
of water. strategy b taking a ratio of new intensity to old intensity and using primes for the new quantities, we will find that it depends on the ratio of the areas. all other quantities will cancel. solution b 1. take the ratio of intensities, which yields : 16. 75 16. 76 16. 77 16. 78 16. 79
1. 00 mol of h2, ... | [
"A)17 : 3",
"B)9 : 1",
"C)3 : 17",
"D)5 : 3"
] | B | he 20 litre mixture contains milk and water in the ratio of 3 : 2. Therefore, there will be 12 litres of milk in the mixture and 8 litres of water in the mixture.
Step 1.
When 10 litres of the mixture is removed, 6 litres of milk is removed and 4 litres of water is removed. Therefore, there will be 6 litres of milk and... |
arc_easy_112 | arc_easy | <ctx>
ecohydrology ( from greek, oikos, " house ( hold ) " ;, hydor, " water " ; and, - logia ) is an interdisciplinary scientific field studying the interactions between water and ecological systems. it is considered a sub discipline of hydrology, with an ecological focus. these interactions may take place within wate... | [
"Plants speed up the water cycle by removing carbon from the air.",
"Plants start the water cycle when they make water in photosynthesis.",
"Plants are part of the water cycle through the process of transpiration.",
"Plants stop the water cycle because they absorb it and stop the flow to streams."
] | C | |
medmcqa_2199 | medmcqa | <ctx>
diabetic nephropathy, also known as diabetic kidney disease, is the chronic loss of kidney function occurring in those with diabetes mellitus. diabetic nephropathy is the leading causes of chronic kidney disease ( ckd ) and end - stage renal disease ( esrd ) globally. the triad of protein leaking into the urine (... | [
"Reduction of glomerular filtration rate and decreased urinary output",
"Increased urine output",
"Increased glomerular filtration rate and no change in urine output.",
"Decreased urine output"
] | A | The kidney is innervated primarily by the sympathetic nervous system, and as such, regulates the contraction of the smooth muscle surrounding the afferent and efferent aerioles of the glomerulus. Sympathetic stimulation to the efferent glomerular aerioles causes their constriction and increases the filtration rate, lea... |
medmcqa_5579 | medmcqa | <ctx>
, supported by collateral studies, invokes the re - awakening of auto - immunity after its suppression during pregnancy, on the model of multiple sclerosis or autoimmune thyroiditis ; a related hypothesis has proposed that abnormal immune system processes ( regulatory t cell biology ) and consequent changes in my... | [
"Nasal",
"Cutaneous",
"Nasopharynx",
"Laryngopharynx"
] | D | Ref: Harrisons, 19th ed. pg. 978* Diptheria is a nasopharyngeal and skin infection caused by Corynebacterium diphtheriae. Toxigenic strains of C. diphtheria produce a protein toxin that causes systemic toxicity, myocarditis, and polyneuropathy.* The toxigenic strains cause pharyngeal diphtheria, while the non-toxigenic... |
medmcqa_8258 | medmcqa | <ctx>
capnocytophaga spp and prevotella intermedia were the most frequently detected microorganisms in a study, which also noted that capnocytophaga spp was the most prominent bacteria in subgingival samples of patients with aggressive periodontitis. an impaired ability of peripheral blood lymphocytes to react to chemo... | [
"IgG1",
"IgG2",
"IgG3",
"IgG4"
] | A | IgG 1 - 65%, IgG2- 23%. IgG3 -8% IgG4 - 4% |
medmcqa_1036 | medmcqa | <ctx>
declines with age due to the increase meiotic non - disjunction. after age 31 years, fecundity decreases and the probability of aneuploidy rate increases in the early embryo. the regular menstrual cycle is associated with the hormonal regulation from hypothalamic, pituitary, and ovarian axis. gonadotropin - relea... | [
"Sheehan's syndrome",
"Kallmann's syndrome",
"Mayer Rokitansky Koster Hauser syndrome",
"Turner syndrome"
] | A | Ans. is a, i.e. Sheehan's syndromeRef: Shaw 14th/ed, p256-257* Kallmann's sydnrome is due to hypothalamic dysfunction characterized by a deficiency of gonadotropin releasing hormone (GnRH) causing a hypogonadotrophic hypogonadism. This is associated with anosmia. It can occasionally be associated with optic problems, s... |
mmlu_aux_2928 | mmlu_auxiliary | <ctx>
mars soon after 2030. a set of various landmark missions to reach this goal are currently under consideration. the esa has a multi - lateral partnership and plans for spacecraft and further missions with foreign participation and co - funding. esa is also developing galileo program which seeks to give independenc... | [
"China sent its first manned spacecraft in October of 2003.",
"Chinese engineers want to make more preparations for Shenzhou 7.",
"The spacesuit for the flight of Shenzhou 7 hasn't been prepared well.",
"Two Chinese astronauts walked in space in 2003."
] | D | null |
mmlu_aux_5320 | mmlu_auxiliary | <ctx>
%. the probability goes down as orbits are refined with additional measurements. over 300 short - period comets pass near larger planets, such as saturn and jupiter, which can change the comets'trajectories and could potentially put them into an earth - crossing orbit. this could happen for long - period comets a... | [
"It sounds practical but it may not solve the problem.",
"It may create more problems than it might solve.",
"It is a waste of money because a collision of asteroids with Earth is very unlikely.",
"Further research should be done before it is proved applicable."
] | B | null |
arc_easy_581 | arc_easy | <ctx>
##rika, midnight ) are lost but can be partly reconstructed from the discussion in brahmagupta's khandakhadyaka. in some texts, he seems to ascribe the apparent motions of the heavens to the earth's rotation. he may have believed that the planet's orbits as elliptical rather than circular. motions of the solar sy... | [
"Earth rotates once each day on its axis.",
"Earth revolves around the Sun each year.",
"The Sun is closest to Earth during the day.",
"The tilt of Earth changes throughout the year."
] | A | |
qasc_3648 | qasc | <ctx>
inactive but can still secrete and degrade the matrix, depending on conditions. cell culture studies of excess vitamin a inhibits the synthesis of chondroitin sulfate by chondrocytes and causes the inhibition of chondrogenesis in the developing embryo which may result in limb malformations. chondrocytes undergo t... | [
"Aging",
"loss",
"Oxygen",
"Nutrition"
] | A | |
aquarat_41838 | aquarat | <ctx>
< 9. 99 : order = 50 if 9. 99 < = price < 19. 99 : order = 30 if price > = 19. 99 : order = 10 a. if price < 9. 99 : order = 50 else : order = 30 order = 10 b. if price < 9. 99 : order = 50 elif price < 19. 99 : order = 30 elif price = = 19. 99 : order = 10 c. if price < 9. 99 : order = 50
price and purchased fo... | [
"A)$17",
"B)$14",
"C)$15",
"D)$18"
] | C | C
$15
CP of 20 dozen of apples = 15 * 20 = $300
Number of apples which are rotten = 1/4 * 20 = 5 dozen.
SP of two-third of remaining apples = (2/3 * 15) * 22.5 = $225
SP of remaining 5 dozens of apples to make no profit and no loss =(300 - 225) = $75.
SP of 1 dozen apples = 75/5 = $15. |
medmcqa_8719 | medmcqa | <ctx>
research has shown that there are specialized protein domains that bind to phosphorylated serine and threonine residues, such as brca and fha domains. see also kinase pseudokinase pseudoenzyme phosphatome protein phosphatase references external links kinbase rice kinome database proteomics protein kinases
phosph... | [
"Cysteine",
"Leucine",
"Methionine",
"Serine"
] | D | The OH groups of serine, tyrosine, and threonine frequently serve as the points of covalent attachment for phosphoryl groups that regulate protein function Protein kinase enzymes catalyse the phosphorylation while protein phosphatase enzymes catalyse the dephosphorylation. Ceain protein kinases are specific to the amin... |
medmcqa_5873 | medmcqa | <ctx>
is not readily apparent under normal optics. defects and disease there is evidence to believe that certain defects of any components of the elastic matrix may impair and alter the structural appearance of elastic and collagen fibers. cutis laxa and williams syndrome have elastic matrix defects that have been dire... | [
"Deficiency of protease inhibitor",
"Autosomal recessive",
"May cause cholestatic jaundice",
"All of the above"
] | D | ANSWER: (D) All of the aboveREF: Robbins 7th ed p. 913Alpha 1 antitrypsin deficiency:Due to protease inhibitor deficiencyIncreased neutrophill elastaseNeonatal cholestasis may occur,Hepatocellular carcinoma may also developPulmonary disease may occur in form of emphysemaGene located on chromosome 14 |
medmcqa_470 | medmcqa | <ctx>
the risk of venous rupture and hemorrhage. cerebral arteriovenous malformations in the brain have a 2 – 4 % chance of rupture each year. however, many arteriovenous malformations go unnoticed and are asymptomatic throughout a person's lifetime. a germinal matrix hemorrhage is bleeding into the brain of premature ... | [
"Atrial septal defect",
"Coarctation of aoa, preductal",
"Patent ductus aeriosus",
"Truncus aeriosus"
] | D | Truncus aeriosus refers to a common trunk for the origin of the aoa, pulmonary aeries and coronary aeries. It results from absent or incomplete paitioning of the truncus aeriosus by the spiral septum during development. Most infants with persistent truncus aeriosus have torrential pulmonary blood flow, which leads to h... |
medmcqa_6558 | medmcqa | <ctx>
109. 7 min. ( a positron is a particle with the mass of an electron and a single unit of positive charge ; the equation is physicians use 18f to study the brain by injecting a quantity of fluoro - substituted glucose into the blood of a patient. the glucose accumulates in the regions where the brain is active and... | [
"2-4 hours",
"8-12 hours",
"6 minutes",
"60 days"
] | B | Ans. is 'b' i.e., 8-12 hours o Half life of various clotting factors (in hours) :-* Firinogen - 100-150# Factor III -6# Factor X - 45-52* Prothrombin -60# FactorVIII-8-12# FactorXI -48-84* Factor V-24# Factor IX - 24# Factor XII - 150 # WVF-30 |
aquarat_26988 | aquarat | <ctx>
to cell [ s1 : c2 ] and subtracting 1 from cell [ s2 ; c2 ]. this lowers shipping costs by 1, this is the meaning of c1. if the firm can rent an additional container at less than 1 ( think " one thousand " ) there are additional cost savings. if you try this at s2, the additional container doe not lower shipping ... | [
"A)9%",
"B)11%",
"C)15%",
"D)25%"
] | D | Cost of 12 paper towels individually = 1*12=12
Cost of a set of 12 paper towels = 9
Cost of one roll = 9/12 = 3/4 = 0.75
Savings per roll = 1-.75 = 0.25
% of savings is W= .25/ 1 *100 = 25% D is the answer. |
medmcqa_9798 | medmcqa | <ctx>
the overall physical effects and facial appearance of dwarfism with premature aging. other features and findings include : intrauterine growth retardation, congenital hip dislocations, winged scapulae ( shoulder blades ), pes planus ( fallen arches ), pseudoepiphyses of the second metacarpals ( upper bone of the ... | [
"Craniotabes",
"Increased acid phosphatase",
"Bow legs",
"Increase alkaline phosphatase"
] | B | ANSWER: (B) Increased acid phosphataseREF: Nelson Textbook of Paediatrics 17th edition page 186-187"Alkaline phosphatase not acid phosphatase is increased in rickets"RICKETS is a softening of bones in children due to deficiency or impaired metabolism of vitamin D, magnesium, phosphorus or calcium, potentially leading t... |
aquarat_8274 | aquarat | <ctx>
) ; printf ( " % 3d % 4d % 3d % 3d % 4d % 3d % 3d \ n ", i, x, a, b, x, a, b ) ; if ( x = = x ) break ; } return 0 ; } the results are as follows ( edited ) : i x a b x a b - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 2 1 0 10 1 1 2 10 1 1 100 2 2 3 20 2 1 1000 3 3 4 100 2 2 425 8 6 5 200 3 2 436... | [
"A)18",
"B)16",
"C)14",
"D)13"
] | A | HCF x LCM = Product of Numbers
2 x 36 = 4 x the other number
other number = (2 x 36) / 4
other number = 18
ANSWER : A |
aquarat_27352 | aquarat | <ctx>
stock under different stock valuation methods can be confusing. another example is modelling labour variances with learning curve corrections and stock level changes. with the absence of a basic profit model in an algebraic form, confident development of such models is difficult. the development of spreadsheets h... | [
"A)66.67%",
"B)33.33%",
"C)40%",
"D)25%"
] | A | Let Cost Price = x
Profit = y
Selling Price = x+y
50y = 20(x+y)
30y = 20x
Percentage Profit =y/x∗100=20/30∗100=66.667
Answer = A |
pubmedqa_638 | pubmedqa | <ctx>
, caccamo, m., oukka, m. & weiner, h. l. control of t ( reg ) and t ( h ) 17 cell differentiation by the aryl hydrocarbon receptor. nature, 453 ( 7191 ), 65 - 71 ( 2008 ). 3. * farez, m. f., * quintana f. j., gandhi, r., izquierdo, g., lucas, m. & weiner, h. l. tlr2 and poly ( adp - ribose ) polymerase 1 promote ... | [
"yes",
"no",
"maybe"
] | A | |
qasc_7726 | qasc | <ctx>
relationship with the new plant species were more successful and would better be able to reproduce than moths that were unable to do so. another study takes a look at coevolution as a primary driver of change and diversification in the yucca moth and the joshua tree, more commonly known as the yucca palm. the res... | [
"potatoes",
"bushes",
"Oak",
"seeds"
] | B | |
aquarat_21624 | aquarat | <ctx>
and coaches can be key tools in persuading people out of their cars and onto public transport. " the organisers of the 2012 summer olympics aimed to get 100 % of people to the venues by public transport or other non - car modes ( cycling / walking ) with around 10 per cent of spectators arriving by bus and coach.... | [
"A)9 1/5",
"B)9 3/5",
"C)9 5/7",
"D)10 1/5"
] | B | (A + B + C)'s 1 day's work = 1 ,
4
A's 1 day's work = 1 ,
16
B's 1 day's work = 1 .
12
Therefore C's 1 day's work = 1 - ( 1 + 1 ) = ( 1 - 7 ) = 5 .
4 16 12 4 48 48
So, C alone can do the work in 48 = 9 3 /5days.
5 5
B |
arc_challenge_599 | arc_challenge | <ctx>
marine geology or geological oceanography is the study of the history and structure of the ocean floor. it involves geophysical, geochemical, sedimentological and paleontological investigations of the ocean floor and coastal zone. marine geology has strong ties to geophysics and to physical oceanography. marine g... | [
"a trench is forming",
"new crust is forming",
"oceanic crust is subducting",
"a continental plate is subducting"
] | B | |
medmcqa_6941 | medmcqa | <ctx>
average situations ( regression toward the mean ), and errors in the clinical trial records, which can make it appear that a change has happened when nothing has changed. it is also part of the recorded response to any active medical intervention. measurable placebo effects may be either objective ( e. g. lowered... | [
"Is a randomized controlled clinical trial",
"Uses a crossover design",
"Is a single blind experiment",
"Is a prospective study"
] | A | Here, a pharmaceutical company develops a new anti-hypertensive drug; samples of 24 hypertensive patients, randomly selected from a large population of hypertensive people, are randomly divided into 2 groups of 12, and one group is given the new drug over a period of 1 month & the other group is given a placebo accordi... |
aquarat_21998 | aquarat | <ctx>
to cell [ s1 : c2 ] and subtracting 1 from cell [ s2 ; c2 ]. this lowers shipping costs by 1, this is the meaning of c1. if the firm can rent an additional container at less than 1 ( think " one thousand " ) there are additional cost savings. if you try this at s2, the additional container doe not lower shipping ... | [
"A)$5,280",
"B)$11,200",
"C)$12,000",
"D)$12,800"
] | A | Total Cost of 2 Machines of Type A
= 20% of (Cost of 2 machine A) + remainder + 40 % remainder
= 20% of 46000 + (46000 - 20% of 46000) + 40% of (46000 - 20% of 46000)
= 60720
Total Cost of 1 Machine of Type B
= 20% of (Cost of 1 machine B) + remainder + 40 % remainder
= 20% of 50000 + (50000 - 20% of 50000) + 40% of (5... |
aquarat_30569 | aquarat | <ctx>
p to l step p 2150 let n ( i ) = 0 2160 next i 2170 rem find the next number not crossed out 2180 let p = p + 1 2190 if p = l then 2220 2200 if n ( p ) < > 0 then 2120 2210 goto 2180 2220 print 2230 end notes references citations bibliography further reading external links currently maintained open source impleme... | [
"A)–108",
"B)19",
"C)10",
"D)16"
] | B | #p = 2p-20 --->#(#p) = 2(2p-20)-20 = 4p-60 and thus #(4p-60) = 2(4p-60)-20 = 8p-140 = 12 ---> 8p= 152 ---> p = 19, B is the correct answer. |
openbookqa_2321 | openbookqa | <ctx>
reasonable : does it make sense? as an example, be certain that the temperature change does not also cause a phase change that you have not taken into account. check your understanding why does snow remain on mountain slopes even when daytime temperatures are higher than the freezing temperature? solution snow is... | [
"the earth's position compared to the sun has shifted",
"rain has started falling",
"leaves have fallen from the trees",
"the squirrels are gathering nuts"
] | A | |
qasc_6989 | qasc | <ctx>
of contribution to atmospheric pressure between 2. 62 hpa in july and 2. 33 hpa in december. ipcc ar6 expresses medium confidence in increase of total water vapour at about 1 - 2 % per decade ; it is expected to increase by around 7 % per °c of warming. episodes of surface geothermal activity, such as volcanic er... | [
"outer space",
"clouds",
"H2O",
"CO 2"
] | C | |
medmcqa_7915 | medmcqa | <ctx>
whether this association is due to an alteration of pathophysiology, a variation in symptoms, or a variation in care - seeking. discrete pathophysiology and carpal tunnel syndrome hereditary neuropathy with susceptibility to pressure palsies is a genetic condition that appears to increase the probability of devel... | [
"Teratoma",
"Brenner tumour",
"Fibroma",
"Theca cell tumour"
] | C | Meig's syndrome is present with ovarian fibroma, ascites and right sided pleural effusion Any other ovarian tumor or a pedunculated fibroid causing ascites with pleural effusion is known as Pseudo Meig's syndrome Most common cause of Pseudo meig's syndrome is Brenner tumor. |
medmcqa_9415 | medmcqa | <ctx>
, e ; eden, c ; hogg, t ; northcott, p ; mack, s ; neale, g ; wang, y ; coyle, b ; atkinson, j ; dewire, m ; kranenburg, ta ; gillespie, y ; allen, jc ; merchant, t ; boop, fa ; sanford, ra ; gajjar, a. “ nature ”, july 2010 adult ependymal tumors : prognosis and the m. d. anderson cancer center experience. armst... | [
"CP angle",
"Frontal lobe",
"Brainstem",
"Occipital lobe"
] | B | Ans. 'b' i.e., Frontal lobe A glioblastoma multiforme (GBM) is a type of brain tumour called an astrocytoma. Astrocytomas are some of the most common brain tumours. They develop from the highly vascular and quickly reproducing astrocyte cells in our brain and are often malignant. |
aquarat_17676 | aquarat | <ctx>
the player has lost on time. in some systems, such as certain go title matches, there is no main time ; instead, the time used is rounded up to the nearest whole increment, such as one minute, and the actual counting of time occurs toward the end of one player's time. a typical time control is " 60 minutes + 30 s... | [
"A)5 kmph",
"B)6 kmph",
"C)6.25 kmph",
"D)7.5 kmph"
] | A | Let Abhay's speed be x km/hr.
Then,30/x -30/2x = 3
6x = 30
x = 5 km/hr
Answer:A |
medmcqa_5740 | medmcqa | <ctx>
clinical pathology is a medical specialty that is concerned with the diagnosis of disease based on the laboratory analysis of bodily fluids, such as blood, urine, and tissue homogenates or extracts using the tools of chemistry, microbiology, hematology, molecular pathology, and immunohaematology. this specialty r... | [
"Humanized waste",
"Infectious waste",
"Pathological waste",
"Anatomical waste"
] | C | |
medmcqa_5656 | medmcqa | <ctx>
tree diseases, such as dutch elm disease and apple blights. some of the plant pathogenic ascomycetes are apple scab, rice blast, the ergot fungi, black knot, and the powdery mildews. the yeasts are used to produce alcoholic beverages and breads. the mold penicillium is used to produce the antibiotic penicillin. a... | [
"Cryptococcus",
"Candida",
"Blastomyces",
"Histoplasma"
] | B | Ans. B: Candida Yeast like fungi grow paly as yeast and paly as elongated cells resembling hyphae.The latter form a pseudomycelium. Candida albicans is a pathogenic yeast-like fungus. |
aquarat_46610 | aquarat | <ctx>
, bf = balls faced, avg = batting average, s / r = batting strike rate, hs = highest score source : cricinfo. com bowling twenty20 internationals the following is a table of statistics charting australian bowlers in twenty20 international cricket in the 2008 season. the minimum requirement for inclusion is one ba... | [
"A)64",
"B)72",
"C)101",
"D)111"
] | C | Average = Total Runs / Total wickets
Total runs after last match = 20.5w + 52
Total wickets after last match = w + 5
(20.5w + 52) / (w + 5) = 20.5 - 0.5 = 20
w = 96
so total wickets aftr last match = w+5 = 101
ANSWER:C |
aquarat_18695 | aquarat | <ctx>
later in the form of rain. turnover time if the flow is steady and conservative, the mean residence time equals the ratio between the amount of fluid contained in the control volume and the flow rate through it : this ratio is commonly known as the turnover time or flushing time. when applied to liquids, it is al... | [
"A)48min",
"B)80 min",
"C)100 min",
"D)50 min"
] | C | 1/5 of the cistern can fill in 25 min
4/5 of the tank can fill in = 25*5*4/5 = 100 min
Answer is C |
aquarat_49095 | aquarat | <ctx>
this equation and entering the known values gives 10. 28 10. 29 10. 30 10. 31 10. 32 10. 33
get 31. 55 31. 56 × × ×
12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. solve the initial - value problem. 31. 32. 33. 34. 35. 36.
all terms involving on the left hand side and all other term... | [
"A)0.56",
"B)0.71",
"C)0.45",
"D)0.67"
] | A | Option 'A' |
mmlu_aux_5319 | mmlu_auxiliary | <ctx>
%. the probability goes down as orbits are refined with additional measurements. over 300 short - period comets pass near larger planets, such as saturn and jupiter, which can change the comets'trajectories and could potentially put them into an earth - crossing orbit. this could happen for long - period comets a... | [
"It is very unlikely but the danger exists.",
"Such a collision might occur once every 25 years.",
"Collisions of smaller asteroids with Earth occur more often than expected.",
"It's still too early to say whether such a collision might occur."
] | A | null |
arc_easy_1838 | arc_easy | <ctx>
theoretical production ecology tries to quantitatively study the growth of crops. the plant is treated as a kind of biological factory, which processes light, carbon dioxide, water, and nutrients into harvestable parts. main parameters kept into consideration are temperature, sunlight, standing crop biomass, plan... | [
"sugar",
"heat",
"oxygen",
"starch"
] | B | |
mmlu_aux_7479 | mmlu_auxiliary | <ctx>
##re, map of the moon, london, 1910. mary a. blagg and karl muller, named lunar formations, 2 volumes, london, 1935. philipp fauth, unser mond, bremen, 1936. hugh p. wilkins, 300 - inch moon map, 1951. gerard kuiper et al., photographic lunar atlas, chicago, 1960. ewen a. whitaker et al., rectified lunar atlas, t... | [
"smooth",
"Earth",
"rainbow",
"edible"
] | A | null |
qasc_3943 | qasc | <ctx>
earth radius ( denoted as or ) is the distance from the center of earth to a point on or near its surface. approximating the figure of earth by an earth spheroid, the radius ranges from a maximum of nearly ( equatorial radius, denoted a ) to a minimum of nearly ( polar radius, denoted b ). a nominal earth radius ... | [
"sun's heat",
"temperature",
"energy of moving objects",
"diversity of life"
] | D | |
mmlu_aux_1554 | mmlu_auxiliary | <ctx>
a biofilm comprises any syntrophic consortium of microorganisms in which cells stick to each other and often also to a surface. these adherent cells become embedded within a slimy extracellular matrix that is composed of extracellular polymeric substances ( epss ). the cells within the biofilm produce the eps com... | [
"Bacteria can produce ammonia",
"Bacteria have a sense of smell",
"Why are biofilms so annoying?",
"How do bacteria communicate?"
] | B | null |
medmcqa_4444 | medmcqa | <ctx>
region, presumably a large void, that is antialigned with the motion of our galaxy at 630 km / s ( which causes a dipole in the temperature distribution of the cosmic microwave background radiation ). matter flowing from underdense to overdense regions, such an underdense region of the universe act as effective r... | [
"Middle cerebral aery",
"Anterior cerebral aery",
"Posterior cerebral aery",
"Veebral aery"
] | A | The middle cerebral aery is the largest terminal branch of the internal carotid aery and it runs laterally in the lateral cerebral sulcus of the brain.It supplies the entire lateral surface of the cerebral hemisphere except the narrow strip along the superomedial border extending from the frontal pole to the parieto-oc... |
mmlu_aux_2893 | mmlu_auxiliary | <ctx>
and entertainment. during training humans communicate their wishes with positive or negative reinforcement. after training is finished the human communicates by giving signals with words, whistles, gestures, body language, etc. apopo has trained southern giant pouched rats to communicate to humans the presence of... | [
"A deer runs, leaps, and turns.",
"A chimpanzee plays' with a stick.",
"A lion moves slowly and makes an attack suddenly.",
"A dog holds its mouth in a relaxed and open manner."
] | C | null |
qasc_6627 | qasc | <ctx>
affect connections between water bodies. essentially, wind plays a larger role in the dispersal of waterborne seeds in a short period of time, days and seasons, but the ecological process allows the process to become balanced throughout a time period of several years. the time period of which the dispersal occurs... | [
"Reproduction",
"positive impact",
"lack of impact",
"genetic diversity"
] | B | |
openbookqa_3079 | openbookqa | <ctx>
due to his frank and open opinions. in october 2015, he appeared on the metro tv inaugural show of " ghana conversations " with paul adom otchere where he said " ghana is facing a myriad of challenges and citizens must be able to criticize constructively to push leaders to solve problems. " he also appealed to th... | [
"they pollute water",
"they need straws",
"they treat water",
"they poison water"
] | C | |
aquarat_48564 | aquarat | <ctx>
comprehension texts. the hkeaa reiterated its stance that there has not ever been a " specific " format for the exam and insisted that there was nothing wrong with the paper. in the listening exam of 2007, there was a part asking students to determine whether marked sentences were correct or not, based on the who... | [
"A)A)20",
"B)B)38",
"C)C)90",
"D)D)88"
] | A | Let the number of correct answers be X.
Number of incorrect answers = (60 – X).
6x – (60 – x) = 280
=> 7x = 340
=> x = 20
Answer:A |
aquarat_42369 | aquarat | <ctx>
another shape, the area of the two shapes will be identical. thus rearranging the six green triangles, three blue triangles and three red triangles into a rectangle with width = 3, and height shows that the area of the dodecagon = 3. in general, multiplying half of the circumference of a - gon by its radius yield... | [
"A)I only",
"B)II only",
"C)III only",
"D)II and III only"
] | D | The triangle will have a maximum area when it is a right angled triangle
The largest triangle will be formed when 5 and 4 are the base and height of triangle .
Area = 1/2 * 5 * 4 = 10
There is no lower limit on the area of any triangle whose only 2 sides are known.
Then 0 < Area <= 10
The answer is D. |
qasc_7927 | qasc | <ctx>
in geology, rock ( or stone ) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. it is categorized by the minerals included, its chemical composition, and the way in which it is formed. rocks form the earth's outer solid layer, the crust, and most of its interior, except for the ... | [
"Plant growth is reduced",
"an amoebae",
"layers of sediment",
"single-celled organisms"
] | C | |
medmcqa_6866 | medmcqa | <ctx>
, may also be a favorable environment for the growth of an infectious agent, as coming into contact with a vehicle leads to its transmission. vector transmission occurs most often from insect bites from mosquitoes, flies, fleas, and ticks. there are two sub - categories of vectors : mechanical ( an insect transmi... | [
"Anopheles stephensi",
"Anopheles dirus",
"Anopheles culicifacies",
"None"
] | C | Ans. is 'c' i.e., Anopheles culicifacies |
qasc_3851 | qasc | <ctx>
##ls, and cytokines that invoke a strong immunoglobulin e ( ige ) response. all these fight a hyperactive immune response, reduce the inflammation throughout the body, and thus lead to less severe autoimmune diseases. osada et al. state that because parasitic worms may and often do consist of allergens themselves... | [
"Cooking",
"memory cells",
"alpacas",
"peachleaf willow"
] | B | |
mmlu_aux_3885 | mmlu_auxiliary | <ctx>
most common families of desert plants are the cacti, which are covered in sharp spines or bristles for defence against herbivory. the bristles on certain cacti also have the ability to reflect sunlight, such as those of the old man cactus. certain xerophytes, like oleander, feature stomata that are recessed as a ... | [
"enables it to survive with fewer leaves",
"works in many other desert plants in the world",
"helps it collect much more water than other plants",
"prevents the plant from losing water and heat"
] | C | null |
aquarat_24575 | aquarat | <ctx>
by peter winkler for more information, and see the discussion on les - mathematiques. net. consult the references on 100 prisoners for links to these references. the above computation may be performed in a more simple and direct way, as follows : first note that a permutation of elements contains at most one cycl... | [
"A)40",
"B)45",
"C)50",
"D)55"
] | D | It's almost always better to solve "at least one" combinations/probability questions with {at least one}={total}-{none}.
Total # of selections of 4 books out of 8: C48=70C84=70;
Total # of selections of 4 hardback books out of 8 (so none paperback): C46=15C64=15;
{at least one}={total}-{none}=70-15=55.
Answer: D |
openbookqa_543 | openbookqa | <ctx>
valley networks are branching networks of valleys on mars that superficially resemble terrestrial river drainage basins. they are found mainly incised into the terrain of the martian southern highlands, and are typically - though not always - of noachian age ( approximately four billion years old ). the individua... | [
"the passage of water in a straight or winding path moving consistently",
"pools of water filling until a deep lake forms",
"rain water frequently raining down",
"high winds blowing rain and hail"
] | A | |
mmlu_aux_7199 | mmlu_auxiliary | <ctx>
org figure 22. 12 shows a few uses of combinations of electromagnets and ferromagnets. ferromagnetic materials can act as memory devices, because the orientation of the magnetic fields of small domains can be reversed or erased. magnetic information storage on videotapes and computer hard drives are among the mos... | [
"requires full contact between objects",
"requires objects to touch",
"can act only on contact",
"can act without contact between objects"
] | D | null |
mmlu_aux_3525 | mmlu_auxiliary | <ctx>
12 - hour shifts for around - the - clock operations. brown, lee, and mohri, were assigned to the red team, and would conduct experiments while apt, davis, and jemison, assigned to the blue team, would rest, and vice versa. as the mission commander, gibson was free to work with both teams. spacelab - j included 2... | [
"By asking the scientists and engineers.",
"By studying a book written by the astronauts.",
"By going into space and watching the insects' flight himself.",
"By watching the video film made by the astronauts."
] | D | null |
openbookqa_1347 | openbookqa | <ctx>
a strong interest in agriculture and plants from a young age, when his father, a professor of dairying at iowa state agricultural college, invited his student, african - american botanist george washington carver, to stay with them in the wallace home, since carver was barred from college housing because of his r... | [
"burn the corn",
"grow less corn",
"plant several acres",
"remove some cows"
] | C | |
qasc_5434 | qasc | <ctx>
snow cover, allowing greater winter cooling, while in summer the surface material ( especially if organic ) will dry out and provide thermal insulation. thus the interior temperature is consistently lower than that of adjacent ground. this contributes to the formation of an ice lens which grows by drawing up surr... | [
"exposure to cold",
"the oak can fall",
"mechanical weathering",
"the looseness of soil"
] | C | |
aquarat_40076 | aquarat | <ctx>
likelihood ratio that is generated by comparing two probabilities where pi = x / y : numerator ( “ x ” ) – the probability that we observe the phenotypes of the tested participants in the inheritance scenario given that the tested man is the true biological father. more simply, the probability that some event wil... | [
"A)5 : 2",
"B)7 : 3",
"C)9 : 2",
"D)13 : 4"
] | B | Explanation:
Let the ages of father and son 10 years ago be 3x and x years respectively.
Then, (3x + 10) + 10 = 2[(x + 10) + 10]
3x + 20 = 2x + 40
x = 20.
Required ratio = (3x + 10) : (x + 10) = 70 : 30 = 7 : 3.
Answer: B |
medmcqa_7344 | medmcqa | <ctx>
to standard imaging lenses used for open surgery devices. fgs devices can also be implemented for robotic surgery ( for example in the da vinci surgical system ). clinical applications the major limitation in fgs is the availability of clinically approved fluorescent dyes which have a novel biological indication.... | [
"CO2",
"SO2",
"N2",
"O2"
] | A | Ans. is a i.e. CO2 CO2 is the gas used to create pneumoperitoneum during laparoscopy. Other option is N20. But it is expensive, less soluble in blood and suppos combustion. Also know : Instrument used for creating pneumoperitoneum is veress needle. Flow Rate of CO2 for creating pneumoperitoneum 200 -- 2000 ml/min and p... |
pubmedqa_109 | pubmedqa | <ctx>
mechanism for their effects on diabetes is still under investigation. they may impair the metabolism of long - chain polyunsaturated fatty acids ( lcpufas ), but maternal pregnancy trans fatty acid intake has been inversely associated with lcpufas levels in infants at birth thought to underlie the positive associ... | [
"yes",
"no",
"maybe"
] | A | |
mmlu_aux_2421 | mmlu_auxiliary | <ctx>
##n tiger south australian coast australian sea lion little penguin australian region dingo emu kangaroo island grey kangaroo koala red kangaroo short - beaked echidna southern cassowary southern hairy - nosed wombat swamp wallaby tammar wallaby tasmanian devil yellow - footed rock wallaby australian nocturnal ho... | [
"worried",
"scared",
"hungry",
"sleepy"
] | B | null |
mmlu_aux_3071 | mmlu_auxiliary | <ctx>
one or more of these will have been radically altered. examples include : building rubble used as landfill may raise soil ph ( i. e. create alkaline soil ), which can be problematic in regions of acidic soils ( with local plants adapted to acid soils ). buildings cast a substantial shade, this may give rise to co... | [
"Sad.",
"Worried.",
"Proud.",
"Excited."
] | B | null |
openbookqa_2013 | openbookqa | <ctx>
types of strokes : a good stroke with a probability of a bad stroke with a probability of. while a good shot then gets the value 1 and a bad shot gets the value 0. once the sum of the shot values equals the par of the hole, that is the number of strokes needed for the hole. it is clear that with this setup, a bir... | [
"pharmacy garbage",
"dog hair",
"loss of soil",
"soil gain"
] | C | |
medmcqa_1225 | medmcqa | <ctx>
) is used to purify water in many applications, from desalination plants in coastal cities, to water - purifying machines in grocery stores ( figure 11. 26 ), and smaller reverse - osmosis household units. with a hand - operated pump, small ro units can be used in third - world countries, disaster areas, and in l... | [
"Hereditary spherocytosis",
"Sickle cell anemia",
"Thalassemia",
"Iron deficiency anemia"
] | A | Ans. A: Hereditary spherocytosisThe normal red blood cell is a relatively impermeable biconcave disc which maintains osmotic equilibrium with the surrounding medium. As the surrounding medium becomes hypotonic, fluid will be taken into the cell to maintain stability. Eventually under very hypotonic conditions the cell ... |
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