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sciq
sciq_4
Both diffusion and effusion are related to the speed at which what objects move?
[ "electricity", "copper molecules", "solids", "gas molecules" ]
D
aqua_train
aqua_train_6683
The least perfect square, which is divisible by each of 21,36 and 66 is
[ "A)213444", "B)214344", "C)214434", "D)213443", "E)None of these" ]
A
aqua_train
aqua_train_19615
A clockwise rotation around point Z (that is, a rotation in the direction of the arrow) transforms the shaded quadrilateral to the unshaded quadrilateral. The angle of rotation is approximately
[ "A)180o", "B)270o", "C)360o", "D)45o", "E)135o" ]
B
aqua_train
aqua_train_15748
The division of a whole number N by 13 gives a quotient of 15 and a remainder of 2. Find N.
[ "A)797", "B)197", "C)597", "D)997", "E)297" ]
B
ds_train
ds_train_442
Single Molecule Spectroscopy (SMS) allows for the analysis of individual molecules rather than ensembles. Which of the following statements best describes one key advantage of SMS over traditional ensemble spectroscopy methods?
[ "A. SMS can provide information on the average behavior of a large number of molecules.\nB. SMS eliminates the need for any precision instruments or specialized techniques.\nC. SMS allows for the observation of heterogeneity in molecular behavior that is not possible with ensemble measurements.\nD. SMS improves the...
C
aqua_train
aqua_train_43014
If a carpenter completes 3/8th of his work in 6 days, then how many more days will he require completing his remaining work?
[ "A)10", "B)99", "C)77", "D)66", "E)72" ]
A
aqua_train
aqua_train_829
When x is divided by y, the quotient is z with remainder f. Which of the following is equal to f?
[ "A)yz – x", "B)y/x−z", "C)x – y – z", "D)x – yz", "E)zx – y" ]
D
aqua_train
aqua_train_92635
A cistern has three pipes, A, B and C. The pipes A and B can fill it in 3 and 4 hours respectively and C can empty it in 2 hours. If the pipes are opened in order at 1, 2 and 3 A.M. When will the cistern be empty?
[ "A)1 PM", "B)5 PM", "C)4 PM", "D)3 PM", "E)2 PM" ]
E
aqua_train
aqua_train_19707
The H.C.F. of two numbers is 30 and the other two factors of their L.C.M. are 25 and 24. The larger of the two numbers is
[ "A)276", "B)799", "C)712", "D)750", "E)None" ]
D
aqua_train
aqua_train_61612
The number which exceeds 16% of it by 42 is?
[ "A)50", "B)25", "C)52", "D)58", "E)60" ]
A
sciq
sciq_4
What protects you from pathogens and keeps you healthy?
[ "immunity system", "health system", "potent system", "immune system" ]
D
aqua_train
aqua_train_46695
Machine A produces pencils at a constant rate of 9000 pencils per hour, and machine B produces pencils at a constant rate of 7000 pencils per hour. If the two machines to gather must produce 100,000 pencils and if each machine can operate for at most 8 hours, what is the least amount of time S, in hours, that machine B must operate?
[ "A)4", "B)4 2/3", "C)5 1/3", "D)6", "E)6 1/4" ]
A
aqua_train
aqua_train_58246
There are 15 balls in a jar. You take out 3 blue balls without putting them back inside, and now the probability of pulling out a blue ball is 1/3. How many blue balls were there in the beginning?
[ "A)12.", "B)9.", "C)8.", "D)7.", "E)6." ]
D
ds_train
ds_train_422
In spectroscopy, which factor generally most influences the natural broadening of a spectral line?
[ "A. Doppler effect\nB. Collision broadening\nC. Instrumental broadening\nD. Uncertainty principle" ]
D
aqua_train
aqua_train_39558
What is the next number of the following sequence 8, 24, 12, 36, 18, 54, (....)
[ "A)27", "B)108", "C)68", "D)72", "E)62" ]
A
sciq
sciq_4
In fact, when sitting in the sun, many ectothermic lizards have higher body temperatures than what?
[ "carnivores", "insects", "primates", "mammals" ]
D
aqua_train
aqua_train_4570
A collection of books went on sale, and 2/3 of them were sold for $3.50 each. If none of the 40 remaining books were sold, what was the total amount received for the books that were sold?
[ "A)$180", "B)$250", "C)$260", "D)$280", "E)$300" ]
D
aqua_train
aqua_train_6885
A rectangular paper when folded into two congruent parts had a perimeter of 34cm foer each part folded along one set of sides and the same is 38cm. When folded along the other set of sides. What is the area of the paper?
[ "A)140", "B)788", "C)277", "D)288", "E)167" ]
A
aqua_train
aqua_train_72507
(X)+3612+16125-6149=90189. Calculate the value of X
[ "A)76601", "B)76600", "C)76655", "D)76313", "E)76723" ]
A
sciq
sciq_4
What system serves as the relay between the cns and the internal organs?
[ "cellular nervous system", "central nervous system", "limbic nervous system", "autonomic nervous system" ]
D
aqua_train
aqua_train_37917
Find the average of the series : 312, 162, 132, 142 and 122?
[ "A)299", "B)268", "C)276", "D)299", "E)174" ]
E
mcq_train
mcq_train_124
Question: Let $p$ and $q$ be two distinct prime numbers and let $x \in \mathbf{Z}_{pq}^*$. Which of the following assertion is always true in $\mathbf{Z}_{pq}^*$? Options: $x^{p} = 1$, $x^{q} = 1$, $x^{pq} = 1$, $x^{(p-1)(q-1)} = 1$
[ "$x^{p} = 1$", "$x^{q} = 1$", "$x^{pq} = 1$", "$x^{(p-1)(q-1)} = 1$" ]
D
ds_train
ds_train_1558
Suppose you have two different gases, Gas A and Gas B. Gas A has a molar mass of 16 g/mol and Gas B has a molar mass of 64 g/mol. According to Graham's law of effusion, which gas will effuse faster and by what factor?
[ "A. Gas A effuses 2 times faster than Gas B.\nB. Gas A effuses 4 times faster than Gas B.\nC. Gas B effuses 2 times faster than Gas A.\nD. Gas B effuses 4 times faster than Gas A." ]
A
aqua_train
aqua_train_80748
In a certain game there are 8 steps, referred to as step 1, step 2, and so on with the final step being step 8. The steps are played one after the other. In each step a score of 1, 2, 3, or 4 is obtained. Angel played the game, getting at least one score of each of 1, 2, 3, and 4, and never getting the same score in consecutive steps. What is the greatest possible score that Angel could have gotten?
[ "A)15", "B)18", "C)21", "D)23", "E)29" ]
B
aqua_train
aqua_train_14056
Of the 200 employees in a certain company, 25 percent will be relocated to City X and the remaining 75 percent will be relocated to City Y. However, 45 percent of the employees prefer City Y and 55 percent prefer City X. What is the highest possible number of employees who will be relocated to the city they prefer?
[ "A) 65", "B) 100", "C) 115", "D) 130", "E) 135" ]
D
mcq_train
mcq_train_331
Question: In linear cryptanalysis,\dots Options: one needs to do a chosen plaintext attack., one studies how the differences in the input propagate in the cipher., one chooses the deviant property with the smallest bias in order to optimize the attack., one needs to have about $\frac{1}{LP}$ pairs of plaintext-ciphertext in order to recover the correct key, where $LP$ is the linear probability of the cipher.
[ "one needs to do a chosen plaintext attack.", "one studies how the differences in the input propagate in the cipher.", "one chooses the deviant property with the smallest bias in order to optimize the attack.", "one needs to have about $\\frac{1}{LP}$ pairs of plaintext-ciphertext in order to recover the corr...
D
aqua_train
aqua_train_29928
$364 is divided among A, B, and C so that A receives half as much as B, and B receives half as much as C. How much money is C's share?
[ "A)$200", "B)$204", "C)$208", "D)$212", "E)$216" ]
C
aqua_train
aqua_train_15560
50 percent of Andrea's living room floor is covered by a carpet that is 4 feet by 9 feet. What is the area of her living room floor?
[ "A)14.4", "B)180/7", "C)50.4", "D)64.8", "E)90" ]
D
aqua_train
aqua_train_40101
Today Jim is twice as old as Fred, and Sam is 2 years younger than Fred. Five years ago Jim was 5 times as old as Sam. How old is Jim now?
[ "A)8", "B)12", "C)16", "D)20", "E)24" ]
D
sciq
sciq_4
What tides occur during the new moon and full moon?
[ "autumn", "high", "bottom", "spring" ]
D
aqua_train
aqua_train_73221
In a right angled triangle, two sides are consecutive whole number in which one side is hypotenuse. what could be the possible length of third side?
[ "A)360", "B)361", "C)362", "D)363", "E)364" ]
B
aqua_train
aqua_train_8368
A water tank is two-fifth full. Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely?
[ "A)6", "B)7", "C)8", "D)6", "E)4" ]
A
aqua_train
aqua_train_36717
A 600 meter long train crosses a signal post in 40 seconds. How long will it take to cross a 3 kilometer long bridge, at the same speed?
[ "A)4 min", "B)5 min", "C)6 min", "D)8 min", "E)10 min" ]
A
aqua_train
aqua_train_52165
A pharmaceutical company received $3 million in royalties on the first $20 million in sales of and then $9 million in royalties on the next $106 million in sales. By approximately what percentage did the ratio of royalties to sales decrease from the first $20 million in sales to the next $108 million in sales?
[ "A)8%", "B)47%", "C)45%", "D)52%", "E)56%" ]
B
aqua_train
aqua_train_78301
What is the largest 4 digit number exactly divisible by 88?
[ "A)9999", "B)9944", "C)9988", "D)9900", "E)9991" ]
B
aqua_train
aqua_train_24589
A group of store managers must assemble 280 displays for an upcoming sale. If they assemble 25 percent of the displays during the first hour and 40 percent of the remaining displays during the second hour, how many of the displays will not have been assembled by the end of the second hour?
[ "A)70", "B)98", "C)126", "D)168", "E)182" ]
C
ds_train
ds_train_1644
Electroforming is a highly specialized process often used in the manufacturing of metal parts. Which of the following steps is NOT typically involved in the electroforming process?
[ "A. Creating a mandrel (mold)\nB. Electroplating the mandrel with metal\nC. Dissolving the mandrel to leave a hollow metal shell\nD. Heating the metal shell to harden it" ]
D
aqua_train
aqua_train_80950
If y = 1296 * 125 * 4096 / 25, How many digits are in y,
[ "A)4", "B)8", "C)2", "D)6", "E)3" ]
B
aqua_train
aqua_train_81796
A sum of money at simple interest amounts to Rs. 840 in 3 years and to Rs. 854 in 4 years. The sum is:
[ "A)647", "B)798", "C)654", "D)847", "E)976" ]
B
aqua_train
aqua_train_11178
How many possible ways are there to select 3 stocks at random from 7 stocks?
[ "A)26", "B)29", "C)32", "D)35", "E)38" ]
D
aqua_train
aqua_train_78410
A class consists of 100 students, 25 of them are girls and 75 boys; 20 of them are rich and remaining poor; 20 of them are fair complexioned. The probability of selecting a fair complexioned rich girl is
[ "A)1/125", "B)1/59", "C)1/56", "D)1/54", "E)1/53" ]
A
aqua_train
aqua_train_9554
Two MBA admissions committees are to be formed randomly from 6 second year MBAs with 3 members each. What is the probability R that Jane will be on the same committee as Albert?
[ "A) 12%", "B) 20%", "C) 33%", "D) 40%", "E) 50%" ]
D
aqua_train
aqua_train_33225
At a dinner party, 8 people are to be seated around a circular table. Two seating arrangement are considered different only when the positions of the people are different relative to each other. What is the total number of different possible seating arrangements for the group?
[ "A)5", "B)10", "C)5040", "D)3200", "E)12000" ]
C
aqua_train
aqua_train_94277
An engine moves at the speed of 60 kmph without any coaches attached to it.Speed of the train reduces at the rate that varies directly as the square root of the number of coaches attached.When 4 coaches are attached speed decreases to 48 kmph.What will be the speed of train when 36 coaches are attached.
[ "A)24", "B)28", "C)20", "D)32", "E)40" ]
A
aqua_train
aqua_train_25666
A train of length 230 metres takes 58 seconds to cross a tunnel of length 60 metres. What is the speed of the train in km/hr?
[ "A)58 km/hr.", "B)60 km/hr.", "C)30 km/hr.", "D)18 km/hr.", "E)None" ]
D
aqua_train
aqua_train_28955
A father is 30 years older than his son however he will be only thrice as old as the son after 5 years what is father's present age ?
[ "A)40 yrs", "B)30 yrs", "C)50 yrs", "D)60 yrs", "E)none of these" ]
A
aqua_train
aqua_train_2034
A man buys a truck for Rs. 2,50,000. The annual repair cost comes to 2% of the price of purchase. Besides, he has to pay an annual tax of Rs. 2000. At what monthly rent must he rent out the truck to get a return of 15% on his net invests of the first year?
[ "A)Rs. 3359", "B)Rs. 2500", "C)Rs. 4000", "D)Rs. 3212.5", "E)None" ]
D
science_train
science_train_5897
Question: Complete the statement. Silver chloride is (). Hints:
[ "an elementary substance", "a compound" ]
B
aqua_train
aqua_train_44585
John and Peter are among the seven players a basketball coach can choose from to field a five-player team. If all five players are chosen at random, what is the probability of choosing a team that includes John and Peter?
[ "A)5/11", "B)8/15", "C)9/20", "D)10/21", "E)11/24" ]
D
aqua_train
aqua_train_86776
A class of 40 students has an average height of 120 cm. four students whose average height is 160 cm, left the class and four others whose average height is 124 cm, joined. Calculate the new average height of the students of the class (in cm) is?
[ "A)292.4 cm", "B)296.4 cm", "C)206.4 cm", "D)294.4 cm", "E)236.4 cm" ]
B
aqua_train
aqua_train_67509
Find the compound interest on $20000 in 2years at 4% per annum, the interest being compounded half-yearly?
[ "A)$645.56", "B)$1648.64", "C)$954.26", "D)$745.69", "E)$1020.45" ]
B
aqua_train
aqua_train_51448
Tough and Tricky questions: Combinations. Seven students - 4 boys and 3 girls - are to sit side by side for a makeup exam. How many ways could they arrange themselves given that no two boys and no two girls can sit next to one another?
[ "A)12", "B)36", "C)72", "D)288", "E)720" ]
D
aqua_train
aqua_train_88541
A box contains 14 pairs of shoes (28shoes in total). If two shoes are selected at random, what it is the probability that they are matching shoes?
[ "A)1/190", "B)1/20", "C)1/19", "D)1/27", "E)1/9" ]
D
aqua_train
aqua_train_67331
A, B and C play a cricket match. The ratio of the runs scored by them in the match is A:B = 2:3 and B:C = 2:5. If the total runs scored by all of them are 75, the runs scored by A are?
[ "A)11", "B)18", "C)13", "D)17", "E)12" ]
E
aqua_train
aqua_train_85936
In a certain candy store, 22% of the customers are caught sampling the candy and are charged a small fine, but 10% of the customers who sample the candy are not caught. What is the total percent of all customers who sample candy?
[ "A)22%", "B)23%", "C)24.4%", "D)25%", "E)34%" ]
C
aqua_train
aqua_train_90648
Look at this series: 8, 43, 11, 41, __, 39, 17, ... What number should fill in the blank?
[ "A)8", "B)14", "C)43", "D)44", "E)45" ]
B
sciq
sciq_4
Composed largely of the polysaccharide chitin, the exoskeleton provides an effective barrier defense against most what?
[ "parasites", "white blood cells", "vaccines", "pathogens" ]
D
sciq
sciq_4
Ocean acidification results from the ocean absorbing what gas from the atmosphere?
[ "hydrogen", "nitrogen", "oxygen", "carbon dioxide" ]
D
aqua_train
aqua_train_4564
The surface area of a sphere is 4πR2, where R is the radius of the sphere. If the area of the base of a hemisphere is 3, what is the surface area E of that hemisphere?
[ "A) 6/π", "B) 9/π", "C) 6", "D) 9", "E) 12" ]
D
aqua_train
aqua_train_16622
Square A has an area of 25 square centimeters. Square B has a perimeter of 12 centimeters. If square B is placed within square A and a random point is chosen within square A, what is the probability the point is not within square B?
[ "A)9/25", "B)1/5", "C)16/25", "D)3/5", "E)6/25" ]
C
aqua_train
aqua_train_60058
Find the next term in series - 25, 37, 49, 61, ?
[ "A)71", "B)72", "C)73", "D)74", "E)75" ]
C
aqua_train
aqua_train_54747
If 2 cards are selected (with replacement) at random from the deck of 52 cards then what is the probability that one of the selected cards will be a red king and the other card will be a black jack? A deck of cards has a total of 52 cards, consisting of 4 suits: spades (black), hearts (red), diamonds (red), and clubs (black). In each suit, there are 13 cards including 1 king, 1 queen, and 1 jack.
[ "A)1/32", "B)1/64", "C)1/128", "D)1/169", "E)1/338" ]
E
aqua_train
aqua_train_3944
A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is:
[ "A)1:2", "B)2:5", "C)6\"2", "D)3:1", "E)4:7" ]
D
aqua_train
aqua_train_86226
5020−(502÷100.4)=?
[ "A)15", "B)20", "C)5015", "D)25", "E)35" ]
C
aqua_train
aqua_train_79179
A number of cats got together and decided to kill between them 999919 mice. Every cat killed an equal number of mice. Each cat killed more mice than there were cats. How many cats do you think there were?
[ "A)1009", "B)1110", "C)1111", "D)1112", "E)1122" ]
A
aqua_train
aqua_train_26280
If the sum and difference of two numbers are 10 and 8 respectively, then the difference of their square is:
[ "A)12", "B)28", "C)160", "D)180", "E)80" ]
E
science_train
science_train_2554
Question: Complete the statement. Cyclooctasulfur is (). Hints:
[ "a compound", "an elementary substance" ]
B
aqua_train
aqua_train_84413
Company workers decided to raise Rs. 3 lakhs by equal contribution from each. Had they contributed Rs. 50 each extra, the contribution would have been Rs. 3.25 lakhs. How many workers were they?
[ "A)300", "B)400", "C)500", "D)600", "E)700" ]
C
aqua_train
aqua_train_42164
An arithmetic Sequence is a number sequence which has a constant difference between terms. Considering this definition which of the following is an arithmetic sequence? I. e^2, f^2, g^2, h^2, i^2 II. e-6, f-3, g-5, h-3, i-3 III. 2e, 2f, 2g, 2h,2i
[ "A)II and III", "B)III only", "C)I and III", "D)I and II", "E)II only" ]
B
aqua_train
aqua_train_8858
An artist wishes to paint a circular region on a square poster that is 3.4 feet on a side. If the area of the circular region is to be 1/2 the area of the poster, what must be the radius of the circular region in feet?
[ "A)1/pi", "B)sqrt(2/pi)", "C)1", "D)2/sqrt(pi)", "E)sqrt(5.78/pi)" ]
E
ds_train
ds_train_1748
In sonochemistry, cavitation is a key phenomenon. Which of the following best describes the process of cavitation in the context of sonochemistry?
[ "A. The spontaneous emission of radiation from a substance when subjected to a strong electromagnetic field.\nB. The formation", "growth", "and implosive collapse of bubbles in a liquid due to the application of ultrasonic waves.\nC. The diffusion of gases through a semipermeable membrane when exposed to ultras...
B
aqua_train
aqua_train_22872
There is a five-digit number. The fifth digit is one fourth of the third digit and one half of the fourth digit. Third digit is one half of the first digit. Second digit is 5 more than the fifth digit. What is that 5-digit number?
[ "A)86421", "B)86424", "C)89421", "D)96421", "E)76421" ]
A
aqua_train
aqua_train_13698
The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years, The ratio of the number of boys to the number of girls in the class is
[ "A)2 : 9", "B)2 : 3", "C)2 : 2", "D)2 : 1", "E)2 : 7" ]
B
aqua_train
aqua_train_33325
In Country Q, the unemployment rate among construction workers dropped from 16 percent on September 1, 1992, to 9 percent on September 1, 1996. If the number of construction workers was 20 percent greater on September 1, 1996, than on September 1, 1992, what was the approximate percent change in the number of unemployed construction workers over this period?
[ "A) 50% decrease", "B) 30% decrease", "C) 15% decrease", "D) 30% increase", "E) 55% increase" ]
B
aqua_train
aqua_train_35769
How many integers less than 100 have exactly 4 odd factors but no even factors?
[ "A)11", "B)13", "C)15", "D)17", "E)19" ]
D
aqua_train
aqua_train_45085
Shopkeeper rise price by 31% and gives successive discount of 10% and 15%. What is overall % gain or loss?
[ "A)0.215%", "B)1.215%", "C)3.215%", "D)6.215%", "E)7.215%" ]
A
aqua_train
aqua_train_88689
How many words can be formed by using all the letters of the word “DAUGHTER” so that vowels always come together & vowels are never together?
[ "A)5120", "B)1240", "C)4320", "D)6512", "E)1204" ]
C
aqua_train
aqua_train_78656
If a + b + c = 13, a2 + b2 + c2 = 69 then find the ab + bc + ca :
[ "A)10", "B)30", "C)50", "D)70", "E)90" ]
C
aqua_train
aqua_train_93571
Without stoppages a train travels a certain distance with an average speed of 120 kmph and with stoppages it covers the same distance with an average speed of 90 kmph. What is the time in minutes per hour for which train stops?
[ "A)5 min/hr", "B)6 min/hr", "C)12 min/hr", "D)16 min/hr", "E)15 min/hr" ]
E
aqua_train
aqua_train_84804
A van takes 5 hours to cover a distance of 495 km. What speed in kph should the van maintain to cover the same distance in 3/2 of the previous time?
[ "A)60", "B)63", "C)66", "D)69", "E)72" ]
C
aqua_train
aqua_train_69836
A boat takes 38 hours for travelling downstream from point A to point B and coming back to point C midway between A and B. If the velocity of the stream is 4 kmph and the speed of the boat in still water is 14 kmph, what is the distance between A and B?
[ "A)240 km", "B)120 km", "C)360 km", "D)180 km", "E)None of these" ]
C
aqua_train
aqua_train_77019
By selling an umbrella for Rs. 200, a shop keeper gains 50%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is?
[ "A)20", "B)25", "C)15", "D)10", "E)5" ]
B
aqua_train
aqua_train_64336
A rectangular field has a length 10 feet more than it is width. If the area of the field is 264, what are the dimensions of the rectangular field?
[ "A)22", "B)23", "C)24", "D)25", "E)26" ]
A
aqua_train
aqua_train_25651
If a – b = 3 and a2 + b2 = 29, find the value of ab.
[ "A)10", "B)12", "C)15", "D)18", "E)19" ]
A
aqua_train
aqua_train_82207
A train 200m long passes a standing man in 20 seconds. What is the speed of the train?
[ "A)30km/hr", "B)36km/hr", "C)42km/hr", "D)50km/hr", "E)32km/hr" ]
B
aqua_train
aqua_train_35966
Avg cost of 2 biscuitss and 4 choclates isRs. 60.The avg cost of 4 biscuitss and 6 choclates is Rs.100.Find the total cost of 20 biscuitss and 20 choclates?
[ "A)90", "B)180", "C)150", "D)200", "E)110" ]
D
aqua_train
aqua_train_32971
A person decided to build a house in 100days. He employed 100men in the beginning and 100 more after 20 days and completed the construction in stipulated time. If he had not employed the additional men , how many days behind schedule would it have been finished?
[ "A)40", "B)80", "C)70", "D)60", "E)50" ]
B
aqua_train
aqua_train_32745
Find the least number of complete years in which a sum of money put out at 25% compound interest will be more than double of itself?
[ "A)12", "B)33", "C)6", "D)4", "E)7" ]
D
aqua_train
aqua_train_76125
we have two cubes which are joined to each other covering one face of each. and remaining faces of both are colored with the different colors.then the first cube is cut into 8 smaller cubes and another in 27 smaller cubes. what is the total number of faces having no color?
[ "A)141", "B)142", "C)143", "D)144", "E)145" ]
E
aqua_train
aqua_train_44863
If (2^x)(3^y) = 216, where x and y are positive integers, then (2^x-1)(3^y-2) equals:
[ "A)12", "B)24", "C)48", "D)96", "E)144" ]
A
ds_train
ds_train_2269
Rational design is a method used in engineering and biotechnology for developing novel systems with specific functionalities. It involves the use of computational tools and principles to predict and create desired properties in the system. Which of the following best describes a key aspect of rational design in protein engineering?
[ "A. Randomly mutating proteins and selecting those with enhanced properties.\nB. Using computer simulations to design proteins with a binding site complementary to a specific ligand.\nC. Screening a large library of proteins to find those with the desired activity.\nD. Isolating proteins from natural sources and ch...
B
aqua_train
aqua_train_92322
A certain team consists of 3 professors and 5 teaching assistants. How many different teams of 3 can be formed in which at least one member of the group is a professor? (Two groups are considered different if at least one group member is different.)
[ "A)34", "B)38", "C)42", "D)46", "E)50" ]
D
sciq
sciq_4
Hormones cause cellular changes by binding to receptors on these?
[ "able cells", "fighter cells", "reach cells", "target cells" ]
D
aqua_train
aqua_train_71156
A man purchased a carriage and horse in Rs. 1500. By selling the horse at 10% loss and carriage at 20% profit he earned a profit of 8% on the whole transaction.
[ "A)900", "B)376", "C)197", "D)167", "E)191" ]
A
aqua_train
aqua_train_72676
8 noun, 3 verbs and 2 adjectives are written on blackboard.we can form sentence by choosing 1 from each available set without caring it makes sense or not.what is the number of ways of doing this??
[ "A)128", "B)188", "C)218", "D)248", "E)288" ]
E
aqua_train
aqua_train_45681
Which of the following CANNOT be the least common multiple of two positive integers x and y
[ "A)xy", "B)x", "C)y", "D)xy - y", "E)x + y" ]
D
aqua_train
aqua_train_70304
The average age of 3 girls is 40 years and their ages are in the proportion 1:2:3. The age of the youngest girl is?
[ "A)22 years", "B)23 years", "C)21 years", "D)20 years", "E)25 years" ]
D
sciq
sciq_4
What is the process by which the remains of living things become fossils?
[ "decomposition", "sublimation", "petrification", "fossilization" ]
D
aqua_train
aqua_train_13697
A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?
[ "A)12 days", "B)15 days", "C)16 days", "D)18 days", "E)none" ]
B
aqua_train
aqua_train_80060
A 140 cm long wire is to be cut into two pieces so that one piece will be 2/5th of the other, how many centimeters will the shorter piece be?
[ "A)35", "B)20", "C)47", "D)36", "E)40" ]
E