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5 values
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18
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stringclasses
5 values
aqua_train
aqua_train_1066
A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled?
[ "A)5.2 hrs", "B)2.9 hrs", "C)1.9 hrs", "D)7.2 hrs", "E)1.4 hrs" ]
D
aqua_train
aqua_train_44815
Find the average of the series : 312, 162, 132, 142 and 122?
[ "A)178", "B)172", "C)128", "D)107", "E)174" ]
E
aqua_train
aqua_train_57944
Twin primes are defined as prime numbers that can be expressed as p and (p + 2), and any number p that is a member of such a pair is considered to have a twin. For example, 3 and 5 are twin primes, and 3 has a twin. Each of the following prime numbers has a twin EXCEPT
[ "A)7", "B)13", "C)17", "D)23", "E)29" ]
D
aqua_train
aqua_train_92863
Find the area of the quadrilateral of one of its diagonals is 20 cm and its off sets 9 cm and 6 cm?
[ "A)188 cm2", "B)150 cm2", "C)168 cm2", "D)198 cm2", "E)987 cm2" ]
B
aqua_train
aqua_train_71204
What should be added to 4329 so that it may become a perfect square?
[ "A)24", "B)25", "C)26", "D)27", "E)28" ]
D
aqua_train
aqua_train_28277
On average, activated yeast cells divide once every 120 minutes; that is, each individual cell divides into two individual cells over that time span. Given that a certain yeast colony consisted of 210,000 cells two hours ago, approximately how many cells will be populating the colony six hours from now?
[ "A)77,500", "B)1,860,000", "C)2,480,000", "D)3,360,000", "E)4,960,000" ]
D
aqua_train
aqua_train_18657
The daily wage is increased by 50% and a person now gets Rs 25 per day. What was his daily wage before the increase ?
[ "A)Rs 20", "B)Rs 16.6", "C)Rs 18", "D)Rs 19", "E)none of these" ]
B
aqua_train
aqua_train_10071
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even ?
[ "A)1/4", "B)3/4", "C)4/7", "D)4/11", "E)5/7" ]
B
aqua_train
aqua_train_93873
If x = -3/7 and y = -2/3, what is the value of the expression -2x – y^2?
[ "A)-33/22", "B)23/85", "C)26/63", "D)58/41", "E)-26/63" ]
C
aqua_train
aqua_train_67775
On a 20 mile course, Bil bicycled at an average rate of 30 miles per hour for the first 12 minutes and without a break, ran the rest of the distance at an average rate of 8 miles per hour. How many minutes did Pat take to cover the entire course?
[ "A)75", "B)105", "C)117", "D)150", "E)162" ]
C
aqua_train
aqua_train_96318
In a rectangular coordinate system, what is the area of a rhombus whose vertices have the coordinates (0, 5.5), (8, 0), (0, -5.5), (-8, 0)?
[ "A)56", "B)88", "C)112", "D)116", "E)120" ]
B
aqua_train
aqua_train_72503
Pipes A and B can fill a tank in 6 and 8 hours. Pipe C can empty it in 4 hours. If all pipes are opened together, then the tank will be filled in?
[ "A)3/2hr", "B)24hr", "C)22hr", "D)20hr", "E)5/3hr" ]
B
science_train
science_train_5930
Question: Which of the following organisms is the secondary consumer in this food web? Hints:
[ "persimmon tree", "silver maple", "pine vole", "swallowtail caterpillar" ]
C
sciq
sciq_4
Glycolysis harvests chemical energy by oxidizing glucose to what?
[ "chlorophyll", "oxygen", "cellulose", "pyruvate" ]
D
aqua_train
aqua_train_83988
The length of the bridge, which a train 120 meters long and travelling at 45 km/hr can cross in 30 seconds, is?
[ "A)266", "B)288", "C)245", "D)255", "E)232" ]
D
aqua_train
aqua_train_67794
The symphony sells two kinds of tickets: orchestra, for $30, and upper tiers, for $12. On a certain night, the symphony sells 90 tickets and gets $1926 in revenue from the sales. How many orchestra tickets did they sell?
[ "A)35", "B)39", "C)43", "D)47", "E)51" ]
D
aqua_train
aqua_train_60830
A river 4m deep and 40 m wide is flowing at the rate of 4 kmph the amount of water that runs into the sea per minute is?
[ "A)10666", "B)11678", "C)12345", "D)10678", "E)19099" ]
A
aqua_train
aqua_train_97409
A train crosses a platform of 150 m in 15 sec, same train crosses another platform of length 250 m in 20 sec. then find the length of the train?
[ "A)150m", "B)188m", "C)267m", "D)268m", "E)287m" ]
A
sciq
sciq_4
Translucent matter is matter that transmits and does what else to light?
[ "absorbs", "reflects", "condenses", "scatters" ]
D
sciq
sciq_4
How many pathways do plants have for carbon fixation?
[ "two", "five", "eleven", "three" ]
D
aqua_train
aqua_train_57027
Shopkeeper rise price by 36% and gives successive discount of 10% and 15%. What is overall % gain or loss?
[ "A)5.04%", "B)4.04%", "C)3.04%", "D)6.04%", "E)7.04%" ]
B
aqua_train
aqua_train_7044
y = 248 - 343x Which of the following values of x gives the greatest value of y in the equation above?
[ "A) 200", "B) 100", "C) -7", "D) 0", "E) 10" ]
C
aqua_train
aqua_train_87144
A man started driving at a constant speed, from the site of a blast, the moment he heard the blast. He heard a second blast after a time of 30 mins and 24 seconds. If the second blast occurred exactly 30 mins after the first, how many meters was he from the site when he heard the second blast? ( speed of sound = 330 m/s)
[ "A)6810", "B)7920", "C)9030", "D)10,140", "E)11,250" ]
B
science_train
science_train_794
Question: Which animal's limbs are also adapted for gliding? Hints:
[ "southern flying squirrel", "three-toed sloth" ]
A
aqua_train
aqua_train_38334
In how many ways Chief Minister and Minister be elected from a team of 6 members?
[ "A)28", "B)20", "C)36", "D)30", "E)32" ]
D
aqua_train
aqua_train_6287
A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in?
[ "A)27", "B)29", "C)40", "D)89", "E)22" ]
C
aqua_train
aqua_train_39821
The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:
[ "A)1520 m2", "B)2420 m2", "C)2480 m2", "D)2520 m2", "E)None of these" ]
D
aqua_train
aqua_train_86301
In a two digit number, the digit in the units place is five times the digit in ten's place and sum of the digits is equal to six. What is the number?
[ "A)15", "B)28", "C)32", "D)36", "E)38" ]
A
sciq
sciq_4
Organisms cannot live alone, needing other organisms to survive; what is this relationship called?
[ "coexistence", "independence", "dominance", "interdependence" ]
D
aqua_train
aqua_train_16344
The measurement of a rectangular box with lid is 25cmx12cmx18cm. Find the volume of the largest sphere that can be inscribed in the box (in terms of Ο€cm3). (Hint: The lowest measure of rectangular box represents the diameter of the largest sphere)
[ "A)288", "B)48", "C)72", "D)864", "E)964" ]
A
aqua_train
aqua_train_46787
The cost of 12 packets of sugar, each weighing 900 grams is Rs. 28. What will be the cost of 27 packets, if each packet weighs 1 kg?
[ "A)Rs 52.50", "B)Rs 56", "C)Rs 58.50", "D)Rs 70", "E)None of these" ]
D
science_train
science_train_5880
Question: Think about the magnetic force between the magnets in each pair. Which of the following statements is true? Hints:
[ "The magnitude of the magnetic force is the same in both pairs.", "The magnitude of the magnetic force is smaller in Pair 2.", "The magnitude of the magnetic force is smaller in Pair 1." ]
C
aqua_train
aqua_train_34449
A person travels from P to Q a speed of 40 km/hr and returns by increasing his speed by 50%. What is his average speed for both the trips?
[ "A)18 km/hr", "B)17 km/hr", "C)48 km/hr", "D)28 km/hr", "E)19 km/hr" ]
C
aqua_train
aqua_train_63156
A certain company employs 6 senior officers and 3 junior officers. If a committee is to be created, that is made up of 3 senior officers and 1 junior officer, how many different committee are possible?
[ "A)8", "B)24", "C)58", "D)60", "E)210" ]
D
aqua_train
aqua_train_23474
If 9 boys meet at a reunion and each boy shakes hands exactly once with each of the others, then what is the total number of handshakes
[ "A)41", "B)42", "C)36", "D)44", "E)45" ]
C
aqua_train
aqua_train_38849
A watch passes through three hands and each gains 25%. If the 3rd sells it for Rs250, what did the 1st pay for it?
[ "A)110", "B)114", "C)128", "D)130", "E)138" ]
C
aqua_train
aqua_train_63567
The 7th grade French and Spanish classes each have 14 students in them, and there are four students in the 7th grade taking both languages. If everyone in the 7th grade is in at least one of the two language classes, how many students are taking just one of the two classes?
[ "A)20", "B)21", "C)22", "D)23", "E)24" ]
A
aqua_train
aqua_train_68693
The average of 11 numbers is 10.9. If the average of first six is 10.1 and that of the last six is 11.4 the sixth number is?
[ "A)9.5", "B)10", "C)10.5", "D)9.1", "E)12" ]
D
aqua_train
aqua_train_80468
A no.when divided by 222 gives a remainder 43, what remainder will beobtained by dividingthe same no.17?
[ "A)2", "B)7", "C)9", "D)10", "E)15" ]
D
aqua_train
aqua_train_89765
To be eligible for retirement benefits at the Sieman Corporation, the sum of an employee's age, in years, and the number of years employment must be at least 62. If a, where a <62, is a certain employee's age when hired and b is the minimum number of years of employment required for the employee to be eligible for retirement benefits, which of the following equations represents the relationship between a and b?
[ "A)ab=62", "B)a+2b=62", "C)2a+2b=62", "D)2a+b=62", "E)a+b=62" ]
B
aqua_train
aqua_train_15290
Calculate 24 x 99
[ "A)2673", "B)2763", "C)2637", "D)2736", "E)2376" ]
E
aqua_train
aqua_train_11912
The speed of a train is 102 kmph. What is the distance covered by it in 30 minutes?
[ "A)50 kmph", "B)51 kmph", "C)41 kmph", "D)61 kmph", "E)21 kmph" ]
B
aqua_train
aqua_train_4829
If there are Six periods in each working day of a school, In how many ways can one arrange 5 subjects such that each subject is allowed at least one period?
[ "A)2388", "B)3600", "C)2791", "D)1817", "E)1911" ]
B
science_train
science_train_128
Question: Which specific humidity level was measured within the outlined area shown? Hints:
[ "22 grams of water vapor per kilogram of air", "11 grams of water vapor per kilogram of air", "16 grams of water vapor per kilogram of air" ]
A
aqua_train
aqua_train_33465
The juice stall at the circus stocked just 2 brands of orange juice tetra packs. Brand A costs $1 per pack and brand B costs $1.5 per pack. Last week , brand A contributed to q% of stall’s revenue and accounted for r% of sales of juice tetra packs. Which of the following expresses q in terms of r?
[ "A)100r/(150 – r)", "B)200r/(250-r)", "C)200r/(300-r)", "D)250r/(400-r)", "E)300r/(500-r)" ]
C
aqua_train
aqua_train_22605
The sum of two number is 25 and their difference is 13. Find their product.
[ "A)104", "B)114", "C)315", "D)325", "E)271" ]
B
aqua_train
aqua_train_15788
Which of the following are roots of an equation (x^-2)+(3x^-1)-10=0
[ "A)1/5 and -1/2", "B)-1/5 and 1/2", "C)1/5 and 1/2", "D)-1/5 and -1/2", "E)-5/2 and -1/2" ]
B
aqua_train
aqua_train_19007
If the average (arithmetic mean) of a list of numbers is 12 and the standard deviation of that list of numbers is 1.3, then which of the following numbers is more than two standard deviations from the mean? I. 13.7 II. 12.3 III. 9.3
[ "A)I only", "B)I and II only", "C)II only", "D)III only", "E)I and III only" ]
D
aqua_train
aqua_train_81067
In what time will a railway train 40 m long moving at the rate of 36 kmph pass a telegraph post on its way?
[ "A)5 sec", "B)4 sec", "C)3 sec", "D)6 sec", "E)1 sec" ]
B
aqua_train
aqua_train_60334
Tom is chasing Jerry. In the same interval of time Tom jumps 8 times while Jerry jumps 6 times. But the distance covered by Tom in 7 Jumps is equal to the distance covered by Jerry in 5 Jumps. The ratio of speed of Tom and Jerry is:
[ "A)48 :35", "B)28 :15", "C)24 :20", "D)20 :21", "E)None" ]
D
aqua_train
aqua_train_45189
What will be the reminder when (1234567890123456789)^24 is divided by 6561 ?
[ "A)0", "B)1", "C)2", "D)3", "E)4" ]
A
aqua_train
aqua_train_11521
If f is a number such that –2 ≀ f ≀ 2, which of the following has the largest possible absolute value?
[ "A)3f – 1", "B)x^2 + 1", "C)3 – x", "D)x – 3", "E)x^2 – x" ]
A
aqua_train
aqua_train_25448
What is the perimeter of a square field whose diagonal is 8√2?
[ "A)17 min", "B)19 min", "C)18 min", "D)20 min", "E)12 min" ]
D
aqua_train
aqua_train_86634
A group of 7 fishermen chartered a boat for a day to fish for flounder. The boat costs x dollars per day to rent. If the group can find 4 more fishermen on the docks who are willing to come aboard and share the rental costs, how much less will the rental cost be per person in terms of x?
[ "A)x/70", "B)x/35", "C)3x/70", "D)3x/10", "E)4x/77" ]
E
aqua_train
aqua_train_69898
If 15% of 40 is greater than 25% of a number by 2,then find the number is?
[ "A)20", "B)15", "C)16", "D)25", "E)30" ]
C
aqua_train
aqua_train_56443
Water tax is increased by 40% but its consumption is decreased by 40%. The increase or decrease in the expenditure is?
[ "A)16% decrease", "B)16% increase", "C)8% decrease", "D)8% increase", "E)None of these" ]
A
aqua_train
aqua_train_53770
A certain characteristic in a large population has a distribution that is symmetric about the mean m. If 68 percent of the distribution lies within one standard deviation d of the mean, what percent J of the distribution is less than m +d ?
[ "A)16%", "B)32%", "C)48%", "D)84%", "E)92%" ]
D
aqua_train
aqua_train_75626
he average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?
[ "A)37", "B)74", "C)30", "D)34", "E)35" ]
C
aqua_train
aqua_train_44560
For integers x, y, and z, if (3^x) (4^y) (5^z) = 52,428,800,000 and x + y + z = 17, what is the value of xy/z?
[ "A)0", "B)2", "C)4", "D)6", "E)8" ]
A
aqua_train
aqua_train_18303
If x = a/3 + b/3^2 + c/3^3, where a, b, and c are each equal to 0 or 1, then x could be each of the following EXCEPT:
[ "A)1/27", "B)1/9", "C)4/27", "D)2/9", "E)4/9" ]
D
aqua_train
aqua_train_96497
Two tracks are parallel. The first track has 6 checkpoints and the second one has 10 checkpoints. In how many ways can the 6 checkpoints of first track be joined with the 10 checkpoints of the second to form a triangle?
[ "A)120", "B)150", "C)200", "D)270", "E)420" ]
E
science_train
science_train_1489
Question: What is the probability that a guppy produced by this cross will be heterozygous for the body color gene? Hints:
[ "0/4", "4/4", "2/4", "1/4", "3/4" ]
C
aqua_train
aqua_train_1386
A toy store regularly sells all stock at a discount of 20 percent to 40 percent. If an additional 25 percent were deducted from the discount price during a special sale, what would be the lowest possible price of a toy costing $16 before any discount?
[ "A)$5.60", "B)$7.20", "C)$8.80", "D)$9.60", "E)$15.20" ]
B
sciq
sciq_4
What type of lines run next to each other?
[ "perpendicular lines", "crater lines", "fault lines", "contour lines" ]
D
aqua_train
aqua_train_47336
If 135*s is a perfect square then s can be which of the following numbers?
[ "A)15", "B)35", "C)54", "D)105", "E)150" ]
A
aqua_train
aqua_train_68605
Find the value of (2 βˆ’ 1/3) (1 βˆ’ 1/4)(1 βˆ’ 1/5)……… (1 βˆ’ 1/99)(1 βˆ’ 1/100)
[ "A)1/15", "B)1/17", "C)1/20", "D)1/21", "E)3/25" ]
C
aqua_train
aqua_train_15995
John want to buy a $100 Trouser at the store, but he think itÒ€ℒs too expensive. Finally, it goes on sale for $80. What is the percent decrease?
[ "A)20%", "B)30%", "C)40%", "D)50%", "E)60%" ]
A
aqua_train
aqua_train_48571
Jim’s only source of income comes from his job as a question writer. In this capacity, Jim earns a flat salary of $200 per week plus a fee of $9 for every question that he writes. Every year, Jim takes exactly two weeks of unpaid vacation to visit his uncle, a monk in Tibet, and get inspired for the next year. If a regular year consists of 52 weeks and the number of questions that Jim wrote in each of the past 5 years was an odd number greater than 20, which of the following could be Jim’s median annual income over the past 5 years?
[ "A)$22,474", "B)$25,673", "C)$27,318", "D)$28,441", "E)$31,227" ]
D
aqua_train
aqua_train_62935
Six water bottle gather at the place. Three teams of 3 bottle each will be packed. How many ways are there to create these 3 teams?
[ "A)27", "B)45", "C)90", "D)175", "E)280" ]
B
aqua_train
aqua_train_97274
If the radius of a circle is decreased 30%, what happens to the area?
[ "A)51% decrease", "B)20% decrease", "C)36% decrease", "D)40% decrease", "E)50% decrease" ]
A
aqua_train
aqua_train_44814
In how many ways can 5 boys and 2 girls be seated on 8 chairs so that no two girls are together?
[ "A)5760", "B)14400", "C)480", "D)5670", "E)40320" ]
D
aqua_train
aqua_train_92716
In the reading room of a library, there are 23 reading spots. Each reading spot consists of a round table with 9 chairs placed around it. There are some readers such that in each occupied reading spot there are different numbers of readers. If in all there are 36 readers, how many reading spots do not have even a single reader?
[ "A)8", "B)16", "C)15", "D)14", "E)9" ]
C
aqua_train
aqua_train_50741
Find the average of all the numbers between 6 and 38 which are divisible by 4.
[ "A)18", "B)22", "C)20", "D)30", "E)28" ]
B
aqua_train
aqua_train_67912
Oranges are bought at 7 for Rs.2. At what rate per hundred must they be sold to gain 33%?
[ "A)27", "B)38", "C)39", "D)44", "E)55" ]
B
aqua_train
aqua_train_69077
How much pure alcohol should be added to 400ml of a 15% solution to make the strength of solution 30%?
[ "A)100 ml", "B)60 ml", "C)120 ml", "D)130 ml", "E)150 ml" ]
E
science_train
science_train_307
Question: Complete the sentence. Burning a candle is a (). Hints:
[ "chemical change", "physical change" ]
A
aqua_train
aqua_train_19939
The price of 10 chairs is equal to that of 4 tables. The price of 15 chairs and 2 tables together is Rs. 4000. The total price of 12 chairs and 3 tables is:
[ "A)Rs. 3700", "B)Rs. 3800", "C)Rs. 3900", "D)Rs. 4000", "E)Rs. 4200" ]
C
ds_train
ds_train_1483
Let us consider a system represented by linear equations of the form \( Ax = b \), where \( A \) is an \( N \times D \) matrix, \( x \) is a \( D \)-dimensional vector, and \( b \) is an \( N \)-dimensional vector. Which method among the following has a computational complexity of \( O(ND^2) \) for solving this system when \( N \geq D \)?
[ "A. Gaussian Elimination\nB. Jacobi Method\nC. Conjugate Gradient Method\nD. LU Decomposition" ]
D
sciq
sciq_4
What is the process called in which a magnet loses its magnetic properties?
[ "polarization", "vectorization", "diffusion", "demagnetization" ]
D
sciq
sciq_4
What is the network of vessels and tissues that carry a clear fluid called lymph called?
[ "excretory system", "vessel system", "cleansing system", "lymphatic system" ]
D
aqua_train
aqua_train_26742
If 0 < m < 1 < n< 5, which of the following must be less than 1? I.m/n II. mn III. n - m
[ "A)I,III only", "B)III,II only", "C)III only", "D)I only", "E)II only" ]
D
aqua_train
aqua_train_74041
The sector of a circle has radius of 21 cm and central angle 108o. Find its perimeter?
[ "A)81.6cm", "B)85.9cm", "C)90cm", "D)92cm", "E)95cm" ]
A
aqua_train
aqua_train_21060
For the past n days, the average (arithmetic mean) daily production at a company was 40 units. If today's production of 90 units raises the average to 45 units per day, what is the value of n ?
[ "A)30", "B)18", "C)10", "D)9", "E)7" ]
D
aqua_train
aqua_train_50397
A bacteria gives birth to two new bacteria in each second and the life span of each bacteria is 5 seconds. The process of the reproduction is continuous until the death of the bacteria. initially there is one newly born bacteria at time t = 0, the find the total number of live bacteria just after 10 seconds :
[ "A)3 10 /2", "B)(3)10 - (2)10", "C)243 *(35 -1)", "D)(3)10 -(2)5", "E)None of these" ]
C
aqua_train
aqua_train_27139
The sum of two numbers is 20. The larger number is four less than twice the smaller number. What are the two numbers?
[ "A)7 and 12", "B)8 and 12", "C)9 and 12", "D)10 and 12", "E)None of these" ]
B
science_train
science_train_2698
Question: Which of the following organisms is the secondary consumer in this food web? Hints:
[ "rough-legged hawk", "grizzly bear", "brown lemming" ]
B
aqua_train
aqua_train_25462
12.036 divided by 0.04 gives :
[ "A)30.09", "B)300.9", "C)30.06", "D)100.9", "E)300.6" ]
B
aqua_train
aqua_train_76476
The average of first 12 even numbers is?
[ "A)19", "B)18", "C)16", "D)13", "E)17" ]
D
aqua_train
aqua_train_21922
A wire in the form of a circle of radius 3.5 m is bent in the form of a rectangule, whose length and breadth are in the ratio of 6 : 5. What is the area of the rectangle?
[ "A)16", "B)30", "C)88", "D)26", "E)12" ]
B
aqua_train
aqua_train_77435
The Present worth of Rs. 1404 due in two equal half-yearly instalments at 8% per annum simple interest is :
[ "A)Rs. 1325", "B)Rs. 1300", "C)Rs. 1350", "D)Rs. 1500", "E)None" ]
A
aqua_train
aqua_train_24361
A train which is 180m long which is having a speed of 62kph is passing a guy who is walking in the same direction of trains motion with a speed of 3kph. How long it will take the train to pass the guy(in seconds)?
[ "A)9.38", "B)10.98", "C)11.32", "D)14.25", "E)15.16" ]
B
sciq
sciq_4
What phase of a human life does not have a definite starting point?
[ "adolescence", "death", "childhood", "adulthood" ]
D
aqua_train
aqua_train_69128
In a recent election, Ms. Robinson received 3200 voters cast by independent voters, that is, voters not registered with a specific political party. She also received 10 percent of the votes cast by those voters registered with a political party. IF N is the total number of votes cast in the election and 40 percent of the votes cast were cast by independent voters, which of the following represents the number of votes that Mrs. Robbins received?
[ "A) 0.06N+3200", "B) 0.1N+7200", "C) 0.4N+7200", "D) 0.1N+8000", "E) 0.06N+8000" ]
A
aqua_train
aqua_train_52800
The mean of 30 values was 180. It was detected on rechecking that one value 155 was wrongly copied as 135 for the computation of the mean. Find the correct mean.
[ "A)151", "B)149", "C)152", "D)148", "E)180.67" ]
E
science_train
science_train_5587
Question: Which solution has a higher concentration of yellow particles? Hints:
[ "Solution B", "Solution A", "neither; their concentrations are the same" ]
B
aqua_train
aqua_train_65500
If n is a positive integer, which of the following expressions must be even?
[ "A)(n βˆ’ 1)( n + 7)", "B)(n βˆ’ 2)( n + 7)", "C)(n βˆ’ 2)( n + 10)", "D)(n βˆ’ 3)( n + 7)", "E)(n βˆ’ 3)( n + 11)" ]
B
aqua_train
aqua_train_8735
The first year, two cows produced 8100 litres of milk. The second year their production increased by 15% and 10% respectively, and the total amount of milk increased to 9100 litres a year. How many litres were milked the second cow in the second year?
[ "A)4730 lt", "B)4356 lt", "C)7665 lt", "D)2314 lt", "E)6545 lt" ]
A
aqua_train
aqua_train_4932
A solution of X pounds of water and sugar is boiled until 20% of the water content evaporates. Originally s% of sugar was present in the solution. After evaporation, what percentage of the solution is sugar?
[ "A)100s/(1-s)", "B)80s/(1-s)", "C)75s/(1-s)", "D)100s/(80-0.2s)", "E)100s/(80+0.2s)" ]
E
aqua_train
aqua_train_57129
How many different values of positive integer x, for which |x+4|<x, are there?
[ "A)0", "B)2", "C)3", "D)8", "E)16" ]
D
sciq
sciq_4
What is the medial bone of the forearm that runs parallel to the radius?
[ "humerus", "fibula", "radius", "ulna" ]
D