id
string
dataset
string
question
string
options
list
answer
string
explanation
string
arc_easy_721
arc_easy
When buried sediments are subjected to pressure, the mineral grains are squeezed together. What is the result of this action?
[ "volcanoes", "earthquakes", "new rock is formed", "layers rise to the surface" ]
C
aquarat_35851
aquarat
A, B and C rent a pasture. A puts 10 oxen for 7 months, B puts 12 oxen for 5 months and C puts 15 oxen for 3 months for grazing. If the rent of the pasture is Rs. 105, how much must C pay as his share of rent?
[ "A)27", "B)50", "C)55", "D)65" ]
A
Sol. A : B : C = 10 * 7 : 12 * 5 : 15 * 3 = 70 : 60 : 45 = 14 : 12 : 9. ∴ C’s rent = Rs. [105 * 9/35] = Rs. 27. Answer A
arc_easy_1315
arc_easy
What is the best way for a marine scientist to determine the eating habits of sharks?
[ "Tag one shark and monitor its eating habits for one day.", "Tag one shark and monitor its eating habits for one year.", "Tag several sharks and monitor their eating habits for one day.", "Tag several sharks and monitor their eating habits for one year." ]
D
aquarat_29178
aquarat
A small family consisting of 4 ( father , mother , son , daughter ) goes to a photo studio . Father says to the photographer , " I need all the possible photographs of our family " . how many pictures can he take , such that at least one person should be there in the photo
[ "A)61", "B)62", "C)63", "D)64" ]
D
4C1+4C2+4C3+4C4=15. If their positions also takes into consideration then the ans will be 64 ANSWER:D
mmlu_aux_6817
mmlu_auxiliary
A mouse is being hunted by a Great Horned Owl. The owl watches the mouse carefully, and the mouse is unaware that it is being hunted. The mouse is unable to tell where the owl is, because
[ "the owl is invisible", "the mouse is oblivious", "the mouse is blind", "the owl matches its background" ]
D
null
aquarat_43681
aquarat
A tradesman by means of his false balance defrauds to the extent of 20%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?
[ "A)56%", "B)44%", "C)78%", "D)55%" ]
B
B g% = 20 + 20 + (20*20)/100 = 44%
openbookqa_1329
openbookqa
Where would a river flow downwards?
[ "at the zoo", "on the mountainside", "on the prairie", "on flat land" ]
B
medmcqa_1405
medmcqa
Pulled elbow means -
[ "Fracture of head of radius", "Subluxation of head of radius", "Fracture dislocation of elbow", "Fracture ulna" ]
B
Ans. is 'b' i.e., Subluxation of head of radius Pulled elbowo If a young child is lifted by the wrist, the head of the radius may be pulled partly out of the annular ligament, i.e., subluxation of the head of the radius.o Ir occurs when forearm is pronated, elbow is extended and longitudinal traction is applied to the ...
aquarat_28744
aquarat
There are 6 fictions and 6 non-fictions. How many cases are there such that 2 fictions and 2 non-fictions are selected from them?
[ "A)90", "B)120", "C)225", "D)180" ]
C
Number of ways of selecting 2 fiction books = 6C2 Number of ways of selecting 2 non fiction books = 6C2 6C2 * 6C2 = 15 * 15 = 225 Answer: C
arc_easy_58
arc_easy
If its food supply in a field decreases, the mouse population in that field will probably
[ "increase.", "decrease.", "remain the same.", "become extinct." ]
B
openbookqa_2578
openbookqa
if a tree stands firm during a windy day, which of these could be holding it in place?
[ "the leaves on the branches", "the sap in the tree", "the branches on the stem", "the roots in the ground" ]
D
medmcqa_1598
medmcqa
All of the following benzodiazepines can be used in the elderly and those with liver disease EXCEPT:
[ "Lorazepam", "Oxazepam", "Triazolam", "Diazepam" ]
D
Benzodiazepines which are short acting and not metabolized by the liver include: S: Short-acting BZD T: Triazolam, Temazepam O: Oxazepam L: Lorazepam E: Estazolam
aquarat_24463
aquarat
The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?
[ "A)38", "B)37", "C)22", "D)69" ]
D
Let the ten's digit be x and unit's digit by y Then, x + y = 15 and x - y = 3 or y - x = 3 Solving x + y = 15 and x - y = 3, we get: x = 9, y = 6 Solving x + y = 15 and y - x = 3, we get: x = 6, y = 9 So, the number is either 96 or 69. Hence, the number cannot be determined. Answer: D
medmcqa_5146
medmcqa
Defective chromosome associated with De-George syndrome is -
[ "7", "15", "17", "22" ]
D
Ans. is 'd' i.e., 22 This syndrome encompasses a spectrum of disorders that result from a small deletion of band q 11.2 on long arm of chromosome 22. Clinical features are considered to represent two different disorders :-1) Di George syndromeThese patients have thymic hypoplasia with resultant T-cell immunodeficiency....
mmlu_aux_2313
mmlu_auxiliary
On a clear night, the sky is a wonderful thing. Is there life out there somewhere? Is there another place like Earth where life might exist? If so, where is it? And how far away is it? Recently, the Kepler spacecraft found "22b", a planet about six hundred light years away. It is the first planet in a "habitable zone" ...
[ "Life may exist on the new planet in another form.", "It is colder on the new planet because its sun is smaller.", "Life can't exist on planets which are much larger than the Earth.", "The new planet's distance from its star decides on the possibility of life existence." ]
D
null
mmlu_aux_1717
mmlu_auxiliary
Imagine when you are sailing an ocean for the first time, you see a big fish swimming near your ship. You might be scared, and worried about whether it will turn over your ship for a meal. In fact, it is not a fish at all, but a gentle giant whale. Whales are not fishes but mammals . Their body temperature stays the s...
[ "One.", "Two.", "Three.", "Four." ]
D
null
arc_easy_1676
arc_easy
A student wants to figure out how many calories are needed to perform various activities. A list of some everyday activities is made, and the number of calories burned during each activity is recorded. Which method is the best way for the student to display and evaluate the information?
[ "write a paragraph", "make a line graph", "develop a formula", "create a table" ]
D
arc_easy_1053
arc_easy
An elephant is a multicellular organism that weighs about 200 pounds at birth and can grow to weigh as much as 15,000 pounds. What increases as the elephant grows into an adult?
[ "the size of each body cell", "the number of cells in its body", "the amount of energy in its cells", "the collection of water in each cell" ]
B
medmcqa_4205
medmcqa
Which is the immediate danger to a patient with severe facial injuries
[ "Bleeding", "Associated fracture spine", "Infection", "Respiratory obstruction" ]
D
medmcqa_5817
medmcqa
A pharma agent wants to introduce vaccine for 1 yr old and see its efficacy. The study design should be ?
[ "Coho study", "Clinical trial", "Field trial", "None" ]
C
Ans. is 'c' i.e., Field trial Experimental epidemiology (Epidemiological Experiments) Experimental epidemiology is also called trial. Broadly speaking, a trial refers to putting something to a test. This allows the term to be used in reference to a test of a treatment for the sick or a test of a preventive measure inte...
arc_easy_2149
arc_easy
Which of these provides the best evidence that Earth's crust is divided into tectonic plates?
[ "the distribution of water on Earth's surface", "the distribution of biomes on Earth's surface", "the distribution of rock types on Earth's surface", "the distribution of earthquakes on Earth's surface" ]
D
mmlu_aux_1600
mmlu_auxiliary
An article published recently in the scientific journal Nature is shedding new light on an important, but so far little has been appreciated, aspect of human evolution. In this article, Professors Dennis Bramble, and Daniel Lieberman suggest that the ability to run was a decisive factor in the development of our specie...
[ "was only recently described in a scientific journal", "played an important part in human evolution", "was considered more natural than the ability to live in trees", "contributed to the form of human language" ]
B
null
aquarat_37758
aquarat
Rs. 1581 is divided among A, B and C in the ratio 10 : 15 : 6. What is the share of B?
[ "A)306", "B)765", "C)700", "D)510" ]
A
10+15+6=31 1581/31=51 so B's share=15*51 =765 A's share =10*51 =510 C's share =6*51 =306 ANSWER:A
aquarat_33186
aquarat
A goods train runs at the speed of 72 km/hr and crosses a 210 m long platform in 26 sec. What is the length of the goods train?
[ "A)382", "B)782", "C)278", "D)310" ]
D
Speed = 72 * 5/18 = 20 m/sec. Time = 26 sec. Let the length of the train be x meters. Then, (x + 210)/26 = 20 x = 310 m. Answer: D
arc_easy_2007
arc_easy
When oil is burning, the reaction will
[ "only release energy", "only absorb energy", "neither absorb nor release energy", "sometimes release and sometimes absorb energy depending on the oil" ]
A
medmcqa_3454
medmcqa
Most common site of carcinoma of paranasal sinus is?
[ "Frontal", "Ethmoid", "Maxillary", "Sphenoid" ]
C
Ans. (c) MaxillaryRef: Dhingra's 4th ed p-195
openbookqa_2668
openbookqa
Which of these can you use as much as you'd like of without diminishing it at all?
[ "natural gas", "sunlight", "good will", "fossil fuels" ]
B
aquarat_15886
aquarat
In 26 minutes, the minute hand gains over the hour hand by
[ "A)116°", "B)125°", "C)143°", "D)158°" ]
C
In one hour, the hour hand moves 30°, which is 0.5° each minute. In one hour, the minute hand moves 360°, which is 6° each minutes. The minute hand gains 5.5° each minute. In 26 minutes, the minute hand gains 26 * 5.5° = 143°. The answer is C.
medmcqa_4864
medmcqa
A 70-years-old retired military person with good previous medical record complains of bi-temporal headache which is decreased in lying down position. He states that he gets relief by giving pressure over bilateral temples. The patient also complains of loss of appetite with feeling feverish. Diagnosis is:
[ "Chronic tension headache", "Temporal arteritis", "Migraine", "Fibromyalgia" ]
A
Ans. a. Chronic tension headache (Ref: Harrison 19/e p107t, p2587t, 2593-2594, 18/e p122, 2849)Tension-type Headache:Tension-type headache (TTH) is commonly used to describe a chronic head-pain syndrome characterized by bilateral tight, bandlike discomfortQ.Pain typically builds slowly, fluctuates in severity, and may ...
medmcqa_640
medmcqa
Surgery for elective hemicolectomy for carcinoma colon is described as -
[ "Clean", "Clean contaminated", "Dirty", "Contaminated" ]
B
Ans. is 'b' i.e., Clean contaminated
medmcqa_5196
medmcqa
At what age a child's height is expected to be 100 cm?
[ "2 years", "3 years", "4 years", "5 years" ]
C
ANSWER: (C) 4 yearsREF: Essence of Paediatrics Prof. MR Khan 4th ed page 59, Clinical Pediatrics by D. N. Chatterjee page 18 A simple rough formula for calculation height from 2-14 years is:Height in inches = (2.5 x age in years) + 30* Thus the expected height at 4 year of age = (2.5 x 4) + 30 = 40 inches* As 1 inch = ...
aquarat_45792
aquarat
n a 1000m race, if A gives B a start of 40m, A wing by 19sec. But if A gives B start of 30sec, B wins by 40m. Find the time taken by B to run 4000m race?
[ "A)500", "B)700", "C)400", "D)600" ]
D
then 960/B -1000/A = 19 => 24/B - 25/A = 19/40 and 1000/B - 960/A = 30 => 25/B - 24/A = 30/40 solving equation A speed =8 and B=20/3 for 1000m b will take 4000/20/3= 600 sec D
qasc_3681
qasc
What leads to reproduction?
[ "Pollen grains", "flowers", "Cell division", "They lay eggs" ]
C
medmcqa_8812
medmcqa
The following condition of GB is precancerous
[ "Cholesterosis", "Porcelain gall bladder", "Biliary atresia", "Choledochal cyst" ]
B
Porcelain gallbladder is the pattern when the gallbladder wall is calcified and cracks like an egg-shell. Porcelain gallbladdder is paicularly likely to become cancerous. Risk factors for ca gallbladder includes: 1. Gallstones 2. Genetic factors. 3.carcinogen in bile acids 4.calcificatiin of gall bladder (porcelain gal...
aquarat_42641
aquarat
Roy was suffering from severe headaches. He went to see his doctor and the doctor gave him five tablets asking him to take one tablet every 15 minutes. How much time will it take Roy to consume all the five tablets?
[ "A)60 minutes", "B)65 minutes", "C)50 minutes", "D)45 minutes" ]
A
A 60 minutes Roy will be able to consume all the five tablets in an hour. Tablet 1 will be taken in 0 min. Tablet 2 will be taken in 15 min. Tablet 3 will be taken in 30 min. Tablet 4 will be taken in 45 min. Tablet 5 will be taken in 60 min.
qasc_8020
qasc
What is used to produce electricity by burning?
[ "rocks", "Gas", "fish", "hemp" ]
D
mmlu_aux_3394
mmlu_auxiliary
The olinguito is new to science. Although lt has been living in the cloud forests of South Amcrica for some time. Scientists say the olinguito is the first new carnivore discovered In the Americas in more than 30 years. It is a hairy orange-brown creature with a sweet face and big eyes The animal has small. rounded ear...
[ "it was mistaken for another species", "it was active in the eveing", "it was too small to be seen clearly", "it covered itself by its long tail" ]
A
null
qasc_4337
qasc
What is just one of many ways that pugs learn how to behave.
[ "humans", "playing", "sleeping", "growing" ]
B
aquarat_11769
aquarat
Robert is travelling on his cycle and has calculated to reach point A at 2 P.M. if he travels at 10 kmph, he will reach there at 12 noon if he travels at 15 kmph. At what speed must he travel to reach A at 1 P.M.?
[ "A)9 km/hour", "B)10 km/hour", "C)11 km/hour", "D)12 km/hour" ]
D
Explanation: We need to calculate the distance, then we can calculate the time and finally our answer. Lets solve this, Let the distance travelled by x km Time = Distance/Speed x/10−x/15=2 [because, 2 pm - 12 noon = 2 hours] 3x−2x=60x=60. Time=Distance/Speed Time@10km/hr=60/10=6hours So 2 P.M. - 6 = 8 A.M Robert starts...
qasc_8067
qasc
what are soluble in blood?
[ "viruses", "lipids", "glucose", "Solutions" ]
B
aquarat_20624
aquarat
If the average ages of three groups of 30, 40, 50 people respectively is 30,40,50 what is the average ages of all the people?
[ "A)23.78", "B)41.66", "C)34.67", "D)23.9" ]
B
Average ages of group 1 =30 people in group 1 = 30 Total ages of group 1 = 30*30 Average ages of group 2 = 40 people in group 2 = 40 Total ages of group 2 = 40*40 Average ages of group 3 = 50 people in group 3 = 50 Total ages of group 3 = 50*50 Total people = 40 + 30 + 50 = 120 Average ages of all the people =((40*40)+...
medmcqa_9482
medmcqa
Most common presentation of chronic pancreatitis
[ "Nausea", "Steatorrhea", "Pain", "Brittle Type 3 diabetes" ]
C
Ans. (c) PainRef: Bailey and Love 27th ed; pg. 1230* MC symptom of Chronic pancreatitis - Pain* Site of pain depends on the foci of disease:# Head: Epigastric and Right Subcostal Pain# Left Side pancreas: Back pain# Diffuse pain is also seen sometimes.# Radiation to shoulder also can be seen
aquarat_16268
aquarat
In the first twelve overs of a cricket game, the run rate was only 4.6. What should be the run rate in the remaining 38 overs to reach the target of 249 runs?
[ "A)5.75", "B)5.1", "C)6.5", "D)6.75" ]
B
Explanation : Required run rate = (249 - (4.6 x 12))/38 = 193.8/38 = 5.1 Answer : B
openbookqa_3229
openbookqa
Which is least likely to need to take in air?
[ "a cat", "a canary", "a bear", "a zooplankton" ]
D
arc_challenge_101
arc_challenge
Which mixture contains ingredients that can be easily separated?
[ "bread", "fruit salad", "ocean water", "soda water" ]
B
medmcqa_6553
medmcqa
True about social phobia is:
[ "Fear of closed spaces", "Irrational fear of situation", "Irrational fear of activities", "Irrational fear of specified objects" ]
C
C i.e. Irrational fear of activities
arc_easy_1799
arc_easy
Measurements of carbon dioxide concentrations in the air taken over the past decade have shown a
[ "leveling off.", "slow increase.", "steady decline.", "dramatic increase." ]
D
qasc_3567
qasc
An object that can be used for measuring mass of an object is similar to what playground item?
[ "forces", "Slide", "barrel", "Seesaw" ]
D
medmcqa_1026
medmcqa
A 6-year-old child has an accident and had elbow, after 4 years presented with tingling and numbness in the ulnar side of finger, fracture is
[ "supra condylar humerus", "lateral condylar humerus", "olecranon", "dislocation of elbow" ]
B
Ans. is 'b' i.e.lateral condyle humerus This child had lateral condyle of humerus 4 yrs back. He is now presenting with symptoms of tardy ulnar palsy. Lateral condyle of humerus may lead to cubitus valgus deformity because of diminished growth at the lateral side of distal humeral epiphyses. Cubitus valgus deformity le...
pubmedqa_721
pubmedqa
Longer term quality of life and outcome in stroke patients: is the Barthel index alone an adequate measure of outcome?
[ "yes", "no", "maybe" ]
A
medmcqa_7718
medmcqa
Laminin is seen in -
[ "Basement membrane", "Lens", "Bone", "Cartilage" ]
A
qasc_1232
qasc
cells cannot survive without plants replenishing the what
[ "Energy.", "during the day", "atmosphere", "mountains" ]
C
aquarat_47133
aquarat
For a positive integer n, let Pn denote the product of the digits of nn and Sn denote the sum of the digits of nn. The number of integers between 10 and 100 for which Pn+Sn=n
[ "A)2", "B)3", "C)9", "D)12" ]
C
Explanation: Let the two digit number be 'ab' Given, a × b + a + b = 10a + b a × b = 9a b = 9 Therefore, for b = 9, the above condition satisfies. So all the two digit numbers for which units digit is 9 are our solutions. They range from 19 to 99. Total 9 numbers. Correct option: c
mmlu_aux_3826
mmlu_auxiliary
Most of us are used to seasons. Each year, spring follows winter, which follows autumn, which follows summer, which follows spring. And winter is colder than summer. But the earth goes through temperature cycles over much longer periods than those that we experience. Between 65,000 and 35,000 years ago, the planet was ...
[ "A computer model", "Studies show ice melted equally in the North and the South during the ice age", "Most of the ice melted in the Northern hemisphere during the 30,000-year long ice age.", "A survey result" ]
B
null
arc_easy_1359
arc_easy
Which is a physical property of an apple?
[ "what color it is", "how pretty it is", "how much it costs", "when it was picked" ]
A
aquarat_7937
aquarat
If 6x^2 + x - 12 = (ax + w)(cx + d), then |a| + |w| + |c| + |d| = For a complete solution and more practice problems, see this blog: http://magoosh.com/gmat/2012/algebra-on ... to-factor/
[ "A) 10", "B) 12", "C) 15", "D) 18" ]
B
6x^2+x-12 = 6x^2 + 9x -8x -12 => 3x(2x+3) -4(2x+3) => (2x+3)(3x-4) = (ax+w)(cx+d) Hence a=2, w=c=3, d=-4 So, 2+3+3+ |-4| = 2+3+3+4 = 12 Answer B.
medmcqa_9802
medmcqa
A patient with engorged neck veins, BP 80/50 and pulse rate of 100 following blunt trauma to the chest . Diagnosis of
[ "Pneumothorax", "Right ventricular failure", "Cardiac tamponade", "Hemothorax" ]
C
Ref Harrison 19 th ed pg 1573-1574 Cardiac tamponade should be suspected in any patient who has a rapid down hill course and exhibits the features of rising venous pressure and falling aerial pressure following blunt trauma to the chest.
pubmedqa_495
pubmedqa
Is non-HDL-cholesterol a better predictor of long-term outcome in patients after acute myocardial infarction compared to LDL-cholesterol?
[ "yes", "no", "maybe" ]
A
mmlu_aux_2023
mmlu_auxiliary
Does it drive you crazy that your cell phone needs to be frequently charged for hours? A team of scientists led by professor Harold Kung at Northwestern University in the US may have solved your problem. They developed a lithium ion batery that holds 10 times as much power and charges 10 times more quickly than stand...
[ "current rechargeable batteries usually last for 150 charges", "after one year's use, the newly developed batteries are less powerful", "batteries with more lithium ions are more powerful and charge faster", "further experiments may focus on improving the shape of graphene sheets" ]
B
null
qasc_948
qasc
How many times does an egg cell perform division?
[ "Summer", "set number", "It decreases", "heat or cold" ]
B
medmcqa_4173
medmcqa
Structure held by forceps is seen in
[ "Stomach", "Appendix", "Colon", "Duodenum" ]
C
Appendix Epiploica is one of the numerous pouches of the peritoneum filled with fat and attached to the colon.
aquarat_16616
aquarat
The public library has exactly 2 floors. It has 3/4 as many shelves on its 2nd floor as it does on its 1st. If the second floor has 5/6 as many books per shelf as the first floor, what fraction of the library's books are on the first floor?
[ "A)24/39", "B)5/14", "C)5/9", "D)9/14" ]
A
Let x be the no of shelves and y be the no of books per shelf on first floor. Now no of shelves on 2nd floor = (3/4)*x no of books per shelf on 2nd floor = (5/6) * y So total no books on first floor = xy and total no of books on 2nd floor = (3/4)*x*(5/6)*y = (15/24)*xy fraction of library books on first floor = (xy)/(x...
medmcqa_3403
medmcqa
Long acting glucocoicoid is ?
[ "Dexamethasone", "Triamcenolone", "Prednisolone", "Hydrocoisone" ]
A
Ans. is 'a' i.e., Dexamethasone
medmcqa_1587
medmcqa
When is the World No Tobacco Day celebrated?
[ "1st May", "31st May", "1st August", "31st August" ]
B
World no tobacco day is celebrated on 31st May. Ref: Health policies and programmes in India, D.K. Taneja 11th edition page: 368
medmcqa_6543
medmcqa
Intrauterine growth retardation can be caused by all except –
[ "Nicotine", "lcohol", "Propranolol", "Phenothiazine" ]
D
Causes of LUG (small for date) Environmental Ethnic, racial and geographic Social and economic status Nutritional Maternal The short stature of mother Primi or grand multipara Young / adolescent mother (below 20 years) Low pre-pregnancy weight Smoking and tobacco or alcohol abuse Maternal illness : anemia, heart dis...
qasc_2629
qasc
Lack of what in the air causes low amounts of rainfall?
[ "humidity", "Bodily water", "aridity", "Dehydration" ]
A
medmcqa_5150
medmcqa
The period of training for a village health guide is -
[ "1 month", "3 months", "6 months", "12 months" ]
B
After selection village health guide undergoes a sho training in primary health care.The training is arranged in nearby health center,subcenter or any other suitable place for the duration of 200 hours ,spread over a period of 3 months.During training period they receive a stipend of Rs 200 per month (refer pgno:902 pa...
mmlu_aux_3473
mmlu_auxiliary
Dolphins are not fish, but warm-blooded animals. They live in groups, and speak to each other in their own language. In this, they are like other animals, such as bees and birds. But dolphins are very different from almost all land animals. Their brain is nearly the same size as our own, and they live a long time--at l...
[ "He was lonely and liked to be with people.", "They enjoyed playing with him.", "He was seriously wounded.", "They wanted his help." ]
D
null
openbookqa_923
openbookqa
A blue colored item will only reflect
[ "all colors in the spectrum", "only the color white", "a combination of colors", "an exact matching color" ]
D
medmcqa_7028
medmcqa
Consider the following statements about Jacuzzi syndrome and mark the true statement .
[ "It is caused by Pneumococcus .", "It is also known as hot tub folliculitis .", "It is progressive illness .", "It is always a painless condition ." ]
B
Jacuzzi syndrome :- It is caused by Pseudomonas aeruginosa This condition arises due to inflammation of hair follicles (haiub folliculitis). It is usually self limiting condition . It can be extremely painful or itchy condition .
mmlu_aux_8456
mmlu_auxiliary
the cells of golden retrievers can
[ "spontaneously combust", "change colors", "liquify", "specialize" ]
D
null
aquarat_43788
aquarat
The function f is defined for all positive integers V by the following rule. f(V) is the number of positive integers each of which is less than V and has no positive factor in common with V other than 1. If Y is any prime, number then f(Y)=
[ "A)Y-1", "B)Y-2", "C)(Y+1)/2", "D)(Y-1)/2" ]
A
If not the wording the question wouldn't be as tough as it is now. The GMAT often hides some simple concept in complicated way of delivering it. This question for instance basically asks: how many positive integers are less than given prime number Y which have no common factor with Y except 1. Well as Y is a prime, all...
mmlu_aux_3433
mmlu_auxiliary
For more than 40 years, scientists have sought to learn how well human beings can adapt to long periods in space. The International Space Station continues to provide valuable knowledge about spaceflight. But an earlier space station, Skylab, helped make the current space project possible. Canadian astronaut Chris Hadf...
[ "Worse.", "Better.", "Normal.", "Weaker." ]
C
null
aquarat_15064
aquarat
Find the average of all numbers between 5 and 45 which are divisible by 6
[ "A)26", "B)24", "C)28", "D)30" ]
C
Explanation: Average=(6+12+18+24+30+36+42 / 6)=168/6=28 Option C
mmlu_aux_7372
mmlu_auxiliary
transpiration happens in the leaves of what?
[ "rocks", "shrubbery", "cars", "animals" ]
B
null
medmcqa_5029
medmcqa
An adult with newly diagnosed tuberculosis is most likely to have which of the following types of lesions?
[ "A single lesion in a lung apex", "A single lesion in the gastrointestinal tract", "A single lesion subjacent to the pleura", "Both a lesion subjacent to the pleura in the lower pa of an upper lobe and active disease in the mediastinal lymph nodes" ]
A
This is something of a trick question, but it stresses an impoant fact many medical students do not realize. Primary tuberculosis infection characteristically involves the lung subjacent to the pleura in either the lower pa of the upper lobe or the upper pa of a lower lobe of one lung. The mediastinal nodes are also us...
medmcqa_4579
medmcqa
A 40 year old male patient complains of diminished vision during night and dryness of eyes. Patient gives history of recurrent bacterial infections. Ophthalmic examination reveals white triangular plaques on conjunctiva. This patient is suffering from deficiency of:
[ "Vitamin D", "Vitamin B", "Vitamin A", "Vitamin C" ]
C
Night blindness (nyctalopia) is one of the earliest symptoms of vitamin A  deficiency. Severe deficiency of vitamin A leads to xerophthalmia. This is characterized by dryness in conjunctiva and cornea, and keratinization of epithelial cells. In certain areas of conjunctiva, white triangular plaques known as Bitot's spo...
medmcqa_2054
medmcqa
The maxillary teeth which have single antagonist are:
[ "Lateral incisors", "Permanent canines", "Permanent central incisors", "Third molars" ]
D
openbookqa_2889
openbookqa
Which would likely decrease the food in an environment?
[ "gravity", "water evaporation", "a tree", "time" ]
B
medmcqa_7563
medmcqa
All are true about Renal tubular acidosis except.
[ "Impaired acid production", "Impaired bicarbonate resorption", "Inability to acidify urine", "Nephrolithiasis" ]
A
*Renal tubular acidosis type 2 is characterized by PCT damage and inability to reabsorb bicarbonate resulting in bicarbonaturia. * The damage to DCT in A 1 leads to an inability to acidify urine due to damage to H+ K+ antipoer * The concomitant calcium loss in urine leads to nephrolithiasis and rickets.
medmcqa_3260
medmcqa
Egg yields about ________K cal of energy -
[ "50", "60", "70", "80" ]
C
<p> EGG Contain all the nutrients except carbohydrates and vitamin C. An egg weighing 60g contains 6g of protein, 6g of fat , 30 mg of calcium and 1.5 mg of iron, and supplies about 70 kcal of energy. Egg proteins have all the nine essential aminoacids needed by body in right propoions. Egg protein is the standard agai...
medmcqa_1361
medmcqa
The commonest cause of limp in a child of seven years is -
[ "T.B. hip", "C.D.H", "Perthe's disease", "Slipped upper femoral epiphysis" ]
C
The most common cause of limp in a child between 3-10 years is transient synovitis of hip. However, among the given options Perthe's disease is the best answer as Perthes disease is the second most common cause of limp in a child between 5-10 years.
aquarat_28986
aquarat
20,180,9120,40880,501370 which number is wrong in series
[ "A)20", "B)9120", "C)501370", "D)180" ]
C
501370........... all are multiples of 20 expect 501370 ANSWER:C
aquarat_18146
aquarat
What number is that, which is to 12 increased by three times the number, as 2 to 9 ?
[ "A)6", "B)7", "C)8", "D)9" ]
A
Let x = the number sought. Then x/12 + x + 12 = 64. And x - 624/13 = 48.
medmcqa_3305
medmcqa
A 14 year old boy with difficulty in walking and behavioural disturbance, recovered from prolonged jaundice recently, has bluish pigmentation over lunula. The next investigation to be done:
[ "Nail fold cappillaroscopy", "Slit lamp examination", "Biopsy of the pigmented area", "Ankle-brachial pressure index" ]
B
Neurological involvement + Jaundice + Azure Nails (Bluish discoloration of nails) = Wilson's disease Dx: Slit lamp examination and 24 hrs urinary copper Rx: for Neurological feature - Tetrathiomolybdate
arc_easy_651
arc_easy
Which would best aid a scientist in discovering how Earth may have changed over time?
[ "finding the nest of a bald eagle", "tracking the footprints of a wolf", "analyzing the pollination of a sunflower", "discovering a fossil of a seashell in a wooded area" ]
D
medmcqa_8347
medmcqa
Clavipectoral fascia is derived from which ligament
[ "Coracoacromial", "Coracoclavicular", "Costoclavicular", "Costocoracoid" ]
D
CLAVIPECTORAL FASCIAStrong fascial sheet deep to clavicular head of pectoralis major muscle.Fills space between clavicle and pectoralis major.Extend:-Verically-clavicle above to axillary fascia below.Medially-first rib and costoclavicular ligament.Laterally- coracoid process and blends with coracoclavicular ligament.Th...
qasc_3751
qasc
Vapor pressure is caused when
[ "liquids expand", "It gets heated up", "liquids condense", "liquids are heated" ]
D
aquarat_29213
aquarat
At Didymus Corporation, there are just two classes of employees: silver and gold. The average salary of gold employees is $48,000 higher than that of silver employees. If there are 120 silver employees and 160 gold employees, then the average salary for the company is how much higher than the average salary for the sil...
[ "A)$24,000", "B)$28,000", "C)$32,000", "D)$36,000" ]
A
The answer should be -> A. $24,000
aquarat_27439
aquarat
c is the product of each integer from 1 to 50, inclusive and d=100^k, where k is an integer . What is the greatest value of k for which y is a factor of c?
[ "A)7", "B)6", "C)5", "D)4" ]
B
The number of trailing zeros in the decimal representation of n!, the factorial of a non-negative integer n, can be determined with this formula: n5+n52+n53+...+n5k, where k must be chosen such that 5k≤n x = 1*2*3....*50 = 50! No. of trailing zeros in 50! = 50/5 + 50/5^2 = 10+2 = 12 100^k = 10^2k → k = 12/2 = 6 B
arc_challenge_672
arc_challenge
Apple trees can live for many years, but bean plants usually live for only a few months. This statement suggests that
[ "different plants have different life spans", "plants depend on other plants", "plants produce many offspring", "seasonal changes help plants grow" ]
A
arc_challenge_48
arc_challenge
If a new moon occurred on June 2, when will the next new moon occur?
[ "June 30", "June 28", "June 23", "June 15" ]
A
medmcqa_290
medmcqa
The process of destroying all microbes including spores is called :
[ "Disinfection", "Antisepsis", "Asepsis", "Sterilization" ]
D
medmcqa_6193
medmcqa
DOC for migraine prophylaxis -
[ "Propranolol", "Valproate", "Topiramate", "Ethosuxamide" ]
A
Ans. is 'a' i.e., Propranolol Treatment and prophylaxis of migraineo For aborting an acute attack of migraine, sumatriptan (or any other triptan) is the drug of choice. Other drugs used for treatment are NSAIDs, ergotamine and dihydroergotamine, and intranasal butorphanol.o For Prophylaxis, Beta-blocker (propranolol) i...
aquarat_27302
aquarat
A telephone number contains 10 digit, including a 3-digit area code. Bob remembers the area code and the next 5 digits of the number. He also remembers that the remaining digits are not 0, 1, 2, 6, or 7. If Bob tries to find the number by guessing the remaining digits at random, the probability that he will be able to ...
[ "A)50/625", "B)2/625", "C)4/625", "D)25/625" ]
A
I think most of the answers are missing a point. Let me try to put it across: Total number of possible numbers are : 5x5 = 25 Correct number =1 Case 1: When he gets it right in first attempt: P(E1) = 1/25 Case 2: He gets 1st attempt wrong and second right: When he gets it wrong then the probability of getting wrong is ...
aquarat_42619
aquarat
How many words can be formed from the letters of the word ‘DIRECTOR’ So that the vowels are always together?
[ "A)3251", "B)2160", "C)1203", "D)2564" ]
B
In the given word, we treat the vowels IEO as one letter. Thus, we have DRCTR (IEO). This group has 6 letters of which R occurs 2 times and others are different. Number of ways of arranging these letters = 6!/2! = 360. Now 3 vowels can be arranged among themselves in 3! = 6 ways. Required number of ways = (360x6) = 216...
medmcqa_8438
medmcqa
Wickham's striae are seen in
[ "Lichen planus", "Leukoplakia", "Leukoedema", "Erythema multiformae" ]
A
arc_easy_1416
arc_easy
DNA molecules contain the genetic information that determines the characteristics of a living organism. How do DNA molecules express the genetic information they contain?
[ "by breaking down proteins within the cell", "by directing the process of protein synthesis", "by regulating the storage of cellular proteins", "by controlling the movement of protein molecules" ]
B
mmlu_aux_5215
mmlu_auxiliary
When someone says extinct animals, you may think about dinosaurs . But now many other animals are becoming less and less in number. These animals might disappear from the earth very soon. Take a look at the following animals. They are all in danger. The African Elephant The African elephant is a clever animal. It has ...
[ "monkeys", "dinosaurs", "pandas", "tigers" ]
B
null
mmlu_aux_3579
mmlu_auxiliary
An antifreeze is a liquid that is added to water to keep it from freezing. When water freezes and turns to ice, it expands. The force of water expanding is so great that it will break the hardest metal. Water is used in car engines to keep them cool while they run, and if this water is allowed to freeze in winter it ca...
[ "trade names of two kinds of alcohol", "popular brands of car engines", "inventors of ethylene glycol", "liquids used for car engines" ]
D
null