dataset
string
id
string
question
string
choices
list
rationale
string
answer
string
subject
string
aqua_rat
aqua_rat_14956
John had a stock of 1000 books in his bookshop. He sold 75 on Monday, 50 on Tuesday, 64 on Wednesday, 78 on Thursday and 135 on Friday. What percentage of the books were not sold?
[ "59.8%", "66.5%", "34.9%", "43.5%" ]
null
A
null
aqua_rat
aqua_rat_72703
If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is
[ "1/2", "7/2", "8/2", "6/2" ]
null
A
null
aqua_rat
aqua_rat_17651
((-1.9)(0.6) – (2.6)(1.2))/5.0 = ?
[ "1.0", "-0.852", "1.71", "2.71" ]
null
B
null
aqua_rat
aqua_rat_30294
Which of the following is a prime number
[ "20", "19", "16", "24" ]
null
B
null
aqua_rat
aqua_rat_23532
The banker's gain of a certain sum due 2 years hence at 10% per annum is Rs.24. The present worth is
[ "Rs. 520", "Rs. 600", "Rs. 960", "None" ]
null
B
null
aqua_rat
aqua_rat_82682
A, B and C can do a piece of work in 7 days, 14 days and 28 days respectively. How long will they taken, if all the three work together?
[ "4", "5", "2", "1" ]
null
A
null
aqua_rat
aqua_rat_89264
A, B and C rent a pasture. If A puts 10 oxen for 7 months, B puts 12 oxen for 5 months and C puts 15 oxen for 3 months for grazing and the rent of the pasture is Rs. 210, then how much amount should C pay as his share of rent?
[ "54", "25", "15", "55" ]
null
A
null
aqua_rat
aqua_rat_37322
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 150,000 cells two hours ago, approximately how many cells will be populating the colony six hours from now?
[ "1,860,000", "2,400,000", "3,720,000", "4,960,000" ]
null
B
null
aqua_rat
aqua_rat_88139
A vessel of capacity 2 litre has 20% of alcohol and another vessel of capacity 6 litre had 40% alcohol. The total liquid of 8 litre was poured out in a vessel of capacity 10 litre and thus the rest part of the vessel was filled with the water. What is the new concentration of Mixture?
[ "71%.", "49%.", "29%.", "28%." ]
null
D
null
aqua_rat
aqua_rat_84344
In how many ways can you seat 5 people on a bench if one of them, Rohit, does not want to sit on the middle seat or at either end?
[ "48", "2880", "5040", "10080" ]
null
A
null
aqua_rat
aqua_rat_91572
A hiker walking at a constant rate of 4 miles per hour is passed by a cyclist travelling in the same direction along the same path at a constant rate of 28 miles per hour. the cyclist stopswaits for the hiker 5 min after passing her while the hiker continues to walk at her constant rate. how many minutes must the cyclist wait until the hiker catches up
[ "15", "20", "25", "30" ]
null
D
null
aqua_rat
aqua_rat_90922
The number which exceeds 16% of it by 105 is :
[ "125", "58", "60", "62" ]
null
A
null
aqua_rat
aqua_rat_90938
Excluding stoppages, the speed of a bus is 84 kmph and including stoppages, it is 70 kmph. For how many minutes does the bus stop per hour?
[ "10 min", "15 min", "14 min", "13 min" ]
null
A
null
aqua_rat
aqua_rat_34579
A train 110 m long is running with a speed of 24 km/hr. In what time will it pass a man who is running at 6 km/hr in the direction opposite to that in which the train is going?
[ "6 sec", "8 sec", "14 sec", "13.2 sec" ]
null
D
null
aqua_rat
aqua_rat_9874
In a 500 m race Dishu beats Abhishek by 100 m or 5 seconds. In another race on the same track at the same speeds. Abhishek and Prashant start at one end while Dishu starts at the opposite end. How many metres would Abhishek have covered, by the time Dishu meets Prashant given that Dishu's speed is 10 m/sec more than that of Prashant.
[ "250 m", "100 m", "320 m", "240 m" ]
null
A
null
aqua_rat
aqua_rat_17380
If 2 cards are selected at random from the deck of 52 cards then What is the probability of one of the selected cards will be Jack and other will be Queen? A deck of cards has a total of 52 cards, consisting of 4 suits; (spades(Black), hearts(Red), diamond(Red)s, and clubs(Black)); and 13 cards including 1 king, 1 queen and 1 jack in each suit
[ "1/2652", "28/2652", "6/2652", "18/2652" ]
null
D
null
aqua_rat
aqua_rat_72611
At a constant Rate of flow, it takes 30 minutes to fill a swimming pool if a large hose is used and 45 minutes if a small hose is Used. At these constant rates, how many minutes will it take to fill the pool when both hoses are used simultaneously?
[ "22", "18", "16", "14" ]
null
B
null
aqua_rat
aqua_rat_45471
Which of the following fractions, if written as a decimal, would have a 2 in the thousandths place ?
[ "3/11", "1/8", "4/7", "1/6" ]
null
A
null
aqua_rat
aqua_rat_73152
Mr. Sane invested a total amount of 16,500 for two years in two schemes A and B with rate of simple interest 10 p.c.p.a. and 12 p.c.p.a. respectively. If the total amount of interest earned was 3,620, what was the amount invested in scheme B?
[ "8,000", "8,150", "Data inadequate", "None of these" ]
null
A
null
aqua_rat
aqua_rat_68610
In expressing a length 81.472 km as nearly as possible with three significant digits, find the percentage error?
[ "0.156%", "0.034%", "0.048%", "0.152%" ]
null
B
null
aqua_rat
aqua_rat_7189
1764 can be expressed as a product of primes as
[ "2 × 2 × 3 × 3 × 7 × 7", "2 × 2 × 2 × 3 × 3 × 7", "2 × 3 × 3 × 3 × 3 × 7", "None of these" ]
null
A
null
aqua_rat
aqua_rat_11834
How many 7-letter words can be formed using the letters of the English alphabet that contain 2 different vowels and 5 different consonants?
[ "4!*5c3 *21c2", "5!*5c2 *21c2", "7!*5c2 *21c5", "6!*5c2 *21c2" ]
null
C
null
aqua_rat
aqua_rat_74457
he ratio between the sale price and the cost price of an article is 3:1. What is the ratio between the profit and the cost price of that article?
[ "2:1", "2:4", "2:1", "2:5" ]
null
A
null
aqua_rat
aqua_rat_22653
If a function f is defined by f(x)= -1/x for all non zero numbers x. If f(a) = -1/2 and f(ab) = 1/12 then b= ?
[ "1/6", "6", "-6", "3" ]
null
C
null
aqua_rat
aqua_rat_6622
A man buys 20 lts of liquid which contains 30% of the liquid and the rest is water. He then mixes it with 20 lts of another mixture with 20% of liquid. What is the % of water in the new mixture?
[ "95", "80", "75", "65" ]
null
C
null
aqua_rat
aqua_rat_34297
A dog chases a cat 3 hours after the cat runs. dog takes 6 hours to reach the cat. If the average speed of the dog is 72 kmph, what s the average speed of the cat?
[ "48kmph", "46kmph", "38kmph", "37kmph" ]
null
A
null
aqua_rat
aqua_rat_30102
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?
[ "88", "40", "99", "11" ]
null
B
null
aqua_rat
aqua_rat_35326
If u+5/v is a prime integer, which of the following must be true? 1.v=5u 2. v is a prime integer 3. u+5/v is ODD.
[ "None", "2 only", "1 and 2 only", "2 and 3 only." ]
null
A
null
aqua_rat
aqua_rat_61868
n^(n/2)=4 is true when n=4 in the same way what is the value of n if n^(n/2) =8?
[ "8", "2", "6", "10" ]
null
A
null
aqua_rat
aqua_rat_24811
Tickets to a certain concert sell for $20 each. The first 10 people to show up at the ticket booth received a 40% discount, and the next 20 received a 15% discount. If 56 people bought tickets to the concert, what was the total revenue from ticket sales?
[ "$740", "$850", "$980", "$1,140" ]
null
C
null
aqua_rat
aqua_rat_79233
A and B invested Rs.4000 and Rs.5000 and they get 20% profit at the end of year. Then share of B is
[ "Rs.1000", "Rs.1300", "Rs.1500", "Rs.1800" ]
null
A
null
aqua_rat
aqua_rat_70769
If 1/2 of the air in a tank is removed with each stroke of a vacuum pump, what fraction of the original amount of air has been removed after 6 strokes ?
[ "63/64", "1/4", "1/8", "1/16" ]
null
A
null
aqua_rat
aqua_rat_55302
A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr. find the time taken by the boat to go 68 km downstream?
[ "3 hours", "4 hours", "5 hours", "None" ]
null
B
null
aqua_rat
aqua_rat_76178
The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is?
[ "278", "245", "278", "251" ]
null
B
null
aqua_rat
aqua_rat_80812
The Tens digit of a two digit number is 4 times of its unit digit and the sum of the digits be 10. Then the first number is
[ "73", "53", "82", "89" ]
null
C
null
aqua_rat
aqua_rat_84159
Last year 30 members of a certain club traveled to England, 26 members traveled to France, and 32 members traveled to Italy. Last year no members of the club traveled to both England and France, 6 members traveled to both England and Italy, and 11 members traveled to both France and Italy. How many members of the club traveled to at least one of these three countries last year?
[ "67", "71", "73", "79" ]
null
B
null
aqua_rat
aqua_rat_93665
Carolyn bought 16 gumballs, Lew bought 14 gumballs, and Carey bought X gumballs. The average (arithmetic mean) number of gumballs the three bought is between 19 and 25, inclusive. What is the difference between the greatest number and the smallest number of gumballs Carey could have bought?
[ "18", "24", "26", "28" ]
null
A
null
aqua_rat
aqua_rat_22844
Suganya and Suriya are partners in a business. Suganya invests Rs. 32,000 for 8 months and Suriya invests Rs.28,000 for 10 months. Out of a profit of Rs.30,570. Suganya's share is
[ "Rs.12,628", "Rs.912.54", "Rs.18,942", "None" ]
null
B
null
aqua_rat
aqua_rat_47390
For four days of work, a clerk had daily earnings of $180, $170, $180, and $180 respectively. In which of the following intervals does the standard deviation of the daily earnings lie?
[ "Between $10 and $50", "Between $50 and $75", "Between $50 and $100", "Between $0 and $10" ]
null
D
null
aqua_rat
aqua_rat_17293
9 men are equal to as many women as are equal to 7 boys. All of them earn Rs.216 only. Men’s wages are?
[ "5", "2", "8", "2" ]
null
C
null
aqua_rat
aqua_rat_84932
If the arithmetic mean of p and q is 10 and the arithmetic mean of q and r is 24, what is the value of r-p?
[ "28", "30", "40", "5" ]
null
A
null
aqua_rat
aqua_rat_65362
A bag contains 4 black, 5 yellow and 6 green balls. Three balls are drawn at random from the bag. What is the probability that all of them are yellow?
[ "2/91", "1/8", "2/81", "3/81" ]
null
A
null
aqua_rat
aqua_rat_15211
A can finish a work in 18days and B can do the same work in half the time taken by A. Then, working together what part of the same work they can finish in a day?
[ "1/3", "1/6", "2/5", "2/9" ]
null
B
null
aqua_rat
aqua_rat_71218
Henrikh lives x blocks from his office. It takes him 1 minute per block to walk to work and 20 seconds per block to ride his bicycle to work. If it takes him exactly 9 minutes more to walk to work than to ride his bicycle, then x equals
[ "7", "10", "15", "13.5" ]
null
D
null
aqua_rat
aqua_rat_97073
A train 800 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is?
[ "660", "500", "267", "298" ]
null
B
null
aqua_rat
aqua_rat_80620
A person spends 40% of his salary on food, 25% on house rent, 15% on entertainment and 5% on conveyance. If his savings at the end of the month is Rs. 1200, then his salary per month in rupees is:
[ "6000", "8000", "10000", "None of these" ]
null
B
null
aqua_rat
aqua_rat_67446
Divide 71 into 2 parts such that 1 part exceeds the other by 8. What are the 2 no.'s in that part?
[ "21", "31", "45", "47" ]
null
B
null
aqua_rat
aqua_rat_49390
A certain number when divided by 50 leaves a remainder 25, what is the remainder if the same no.be divided by 15?
[ "5", "6", "8", "9" ]
null
A
null
aqua_rat
aqua_rat_64418
Calculate how many seconds it eill take for 4 bells to toll together again, given that they begin to toll together respectively at the intervals of 5, 8, 11 and 15 seconds. ?
[ "1320", "1322", "1323", "1312" ]
null
A
null
aqua_rat
aqua_rat_43347
How many kg of pure salt must be added to 30kg of 2% solution of salt and water to increase it to a 10% solution?
[ "8/3", "7/4", "5/2", "6/7" ]
null
A
null
aqua_rat
aqua_rat_40690
A man sold 20 articles for $40 and gained 20%. How many articles should he sell for $90 to incur a loss 20%?
[ "36", "40", "50", "67.5" ]
null
D
null
aqua_rat
aqua_rat_83316
Perimeter of front wheel =30, back wheel = 20. If front wheel revolves 240 times. How many revolutions will the back wheel take?
[ "180", "240", "360", "480" ]
null
C
null
aqua_rat
aqua_rat_55784
A bag of potatoes weighs 12 lbs divided by half of its weight. How much does the bag of potatoes weight?
[ "18 lb", "12 lb", "15 lb", "5 lb" ]
null
B
null
aqua_rat
aqua_rat_16241
If the perimeter of a rectangular garden is 600 m, its length when its breadth is 100 m is?
[ "777 m", "200 m", "167 m", "128 m" ]
null
B
null
aqua_rat
aqua_rat_66643
The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is
[ "5%", "6%", "8.75%", "None" ]
null
A
null
aqua_rat
aqua_rat_90007
In Orange County, one fourth of the people are gathering mushrooms and one seventh of the people are collecting apples. What can be the number of people in Orange County?
[ "75", "85", "160", "252" ]
null
D
null
aqua_rat
aqua_rat_28933
A box contains TWELVE bulbs out of which 3 are defective. If THREE bulbs are chosen at random, find the probability that atleast one bulb is good?
[ "265/265", "241/242", "256/257", "219/220" ]
null
D
null
aqua_rat
aqua_rat_49202
In what time will a train 320 m long cross an electric pole, it its speed be 144 km/hr?
[ "8.0 sec", "3.5 sec", "2.9 sec", "9.5 sec" ]
null
A
null
aqua_rat
aqua_rat_77055
If m is an integer such that (-2)^2m=2^(18-m) then m=?
[ "5", "6", "7", "8" ]
null
B
null
aqua_rat
aqua_rat_32857
0.07 x 0.00112 is equal to:
[ "6.84 x 10(power -4)", "4.68 x 10(power -4)", "7.84 x 10(power -5)", "None of them" ]
null
C
null
aqua_rat
aqua_rat_59000
The sum of three consecutive even numbers is 42. Find the middle number of the three?
[ "14", "52", "25", "32" ]
null
A
null
aqua_rat
aqua_rat_53075
If 75 percent of a class answered the first question on a certain test correctly, 45 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percent answered both correctly?
[ "(8) 40%", "30%", "50%", "65%" ]
null
A
null
aqua_rat
aqua_rat_57146
If 36 men can do a piece of work in 25 hours, in how many hours will 15 men do it ?
[ "60 hours", "30 hours", "62 hours", "66 hours" ]
null
A
null
aqua_rat
aqua_rat_19093
A train of 24 carriages, each of 60 meters length, when an engine also of 60 meters length is running at a speed of 60 kmph. In what time will the train cross a bridge 1.5 km long?
[ "3 mins", "3 ½ mins", "7 mins", "5 mins" ]
null
A
null
aqua_rat
aqua_rat_49925
A sporting good store sells one type of baseball bat and one type of baseball. The cost for 2 bats and 4 balls is $200. The cost for 1 bat and 6 balls is $220, as well. If someone were to buy an equal number of bats and balls, at most how many bats can he purchase if he has a budget of $210 for the purchase?
[ "2", "3", "4", "5" ]
null
B
null
aqua_rat
aqua_rat_15885
If a rectangular room measures 8 meters by 5 meters by 4 meters, what is the volume of the room in cubic centimeters? (1 meter=100 centimeters)
[ "16,000,000", "2,400,000", "24,000,000", "240,000,000" ]
null
A
null
aqua_rat
aqua_rat_24376
A man starts walking at 3 pm . he walks at a speed of 4 km/hr on level ground and at a speed of 3 km/hr on uphill , 6 km/hr downhill and then 4 km/hr on level ground to reach home at 9 pm. What is the distance covered on one way?
[ "12", "77", "88", "91" ]
null
A
null
aqua_rat
aqua_rat_5379
A certain deck of cards contains 2 black cards, 2 red cards, 2 yellow cards, and 2 green cards. If two cards are randomly drawn from the deck, what is the probability that they will both be not black?
[ "15/28", "9/16", "1/32", "1/16" ]
null
A
null
aqua_rat
aqua_rat_58982
If x - 8 = |x - 9|, then x=?
[ "8.5", "9", "6", "4" ]
null
A
null
aqua_rat
aqua_rat_49798
Choose a number between 1 and 10. Add 4 and double the result. Subtract 3, then, multiply by 3. Subtract 5 times one more than the original number. Tell me the answer and I will tell you your original number.
[ "x+10", "x-10", "x/10", "10-x" ]
null
A
null
aqua_rat
aqua_rat_93367
On a race track a maximum of 5 horses can race together at a time. There are a total of 25 horses. There is no way of timing the races. What is the minimum number Y of races we need to conduct to get the top 3 fastest horses?
[ "7", "8", "10", "11" ]
null
A
null
aqua_rat
aqua_rat_57668
In a class of 40 students, 2 students did not borrow any books from the library, 12 students each borrowed 1 book, 12 students each borrowed 2 books, and the rest borrowed at least 3 books. If the average number of books per student was 2, what is the maximum number of books any single student could have borrowed?
[ "4", "5", "6", "7" ]
null
B
null
aqua_rat
aqua_rat_60356
Evaluate 50% of 450 + 45% of 500
[ "450", "252", "262", "272" ]
null
A
null
aqua_rat
aqua_rat_13656
Two trains are running in opposite directions with the same speed. If the length of each train is 120 m and they cross each other in 12 sec, then the speed of each train is?
[ "89 km/hr", "36 km/hr", "89 km/hr", "82 km/hr" ]
null
B
null
aqua_rat
aqua_rat_51854
How many two element subsets of {5,6,7,8,9} are there that do not contain the elements 6,7 and 9?
[ "1", "3", "4", "5" ]
null
A
null
aqua_rat
aqua_rat_34268
A taxi company charges $1.15 for the first quarter of a mile and fifteen cents for each additional quarter of a mile. What is the maximum distance someone could travel with $4.90?
[ "4 1/4 miles", "4 3/4 miles", "5 1/2 miles", "6 1/2 miles" ]
null
D
null
aqua_rat
aqua_rat_96992
A nickel is placed flat on a table. What is the maximum number of nickels that can be placed around it, flat on the table, with each one tangent to it?
[ "5", "6", "7", "8" ]
null
B
null
aqua_rat
aqua_rat_92401
Jonathan can type a 20 page document in 50 minutes, Susan can type it in 30 minutes, and Jack can type it in 24 minutes. Working together, how much time will it take them to type the same document?
[ "11 minutes", "15 minutes", "18 minutes", "20 minutes" ]
null
A
null
aqua_rat
aqua_rat_92224
How many positive integers less than 100 have a reminder 5 when divided by 7?
[ "12", "13", "14", "15" ]
null
C
null
aqua_rat
aqua_rat_62497
Find number which is 60% less than 80.
[ "32", "28", "26", "98" ]
null
A
null
aqua_rat
aqua_rat_95396
Calculate the time it will take for a train that is 240 meter long to pass a bridge of 130 meter length, if the speed of the train is 50 km/hour ?
[ "22.64 seconds", "23.64 seconds", "26.64 seconds", "35.64 seconds" ]
null
C
null
aqua_rat
aqua_rat_23234
What is the are of an equilateral triangle of side 16 cm?
[ "64√7", "64√5", "64√3", "64√1" ]
null
C
null
aqua_rat
aqua_rat_36177
Given a circular wheel of 3.62 m radius how many revolutions will the will make to travel a distance of 1 km?
[ "22754.3", "25754.2", "22753.2", "22254.2" ]
null
A
null
aqua_rat
aqua_rat_57656
How many 5 letter combinations can be made from the letters of the word VERMONT if the first letter has to be a vowel and the last letter has to be a consonant, and repetition is allowed?
[ "3433", "3333", "3430", "3773" ]
null
C
null
aqua_rat
aqua_rat_61370
A certain car averages 30 miles per gallon when driving in the city and 35 miles per gallon when driving on the highway. According to these rates, which of the following is closest to the number of miles per gallon that the car averages when it is driven 10 miles in the city and then 50 miles on the highway?
[ "34", "33", "36", "38" ]
null
A
null
aqua_rat
aqua_rat_37320
Let x be a positive integer, what is the remainder when 4^(2x+5)+3 is divided by 5?
[ "3", "4", "1", "5" ]
null
B
null
aqua_rat
aqua_rat_62135
When you draw 2 dices together, find the probability of getting numbers in pairs?
[ "1/6", "1/7", "1/11", "1/12" ]
null
A
null
aqua_rat
aqua_rat_63100
The difference between the simple interest received from two different sources on Rs. 1500 for 3 years is Rs. 12.50. The difference between their rates of interest is?
[ "B)2.6%", "C)0.3%", "D)2.0%", "E)1.3%" ]
null
B
null
aqua_rat
aqua_rat_58718
a circular wheel radius is 1.75m.for covering 11k.m how much time it revolve?
[ "100", "1000", "10000", "50" ]
null
B
null
aqua_rat
aqua_rat_747
In an election, candidate Smith won 52 percent of the total vote in Counties A and B. He won 61 percent of the vote in County A. If the ratio of people who voted in County A to County B is 3: 1, what percent of the vote did candidate Smith win in County B?
[ "25%", "34%", "43%", "49%" ]
null
A
null
aqua_rat
aqua_rat_85451
A can fill the tank in 28hrs B can fill the tank in 14 hrs and C takes 7hrs. If all three pipes are opened simultaneously ,how long it will take to fill the tank?
[ "4", "6", "7", "8" ]
null
A
null
aqua_rat
aqua_rat_64158
A man complete a journey in 20 hours. He travels first half of the journey at the rate of 10 km/hr and second half at the rate of 15 km/hr. Find the total journey in km.
[ "240 km", "230 km", "232 km", "234 km" ]
null
A
null
aqua_rat
aqua_rat_53931
Express a speed of 18 kmph in meters per second?
[ "06mps", "09 mps", "05 mps", "11 mps" ]
null
C
null
aqua_rat
aqua_rat_45748
When a stone is dropped from a building 200 m high, its speed is proportional to the time elapsed after dropping. The distance traveled is proportional to the square of the time elapsed. After 1 second the speed of the train was 10 m/sec and it was 190 m above the ground. When its speed is 25 m/sec, what would be its distance from the ground?
[ "137.5 m", "125.75 m", "142.5 m", "152.5 m" ]
null
A
null
aqua_rat
aqua_rat_41163
The average (arithmetic mean) of four numbers is 5x + 6. If one of the numbers is 2x, what is the average of the other three numbers?
[ "3x + 3", "5x + 1", "5x + 4", "6x + 8" ]
null
D
null
aqua_rat
aqua_rat_79824
If point A coordinates are (-7, -2) point B coordinates are (8 ,4 ) if C is along the line A-B so that AC = 1/2 CB. What are the coordinates of point C.
[ "(2, -2/3)", "(2/3, -2)", "(0, 2)", "(2, 2/3)" ]
null
C
null
aqua_rat
aqua_rat_5612
How long does a train 100 m long traveling at 60 kmph takes to cross another train of 170 m in length has a speed of 40 kmph?
[ "16.8 sec", "5 sec", "1.68 sec", "3.6 sec" ]
null
D
null
aqua_rat
aqua_rat_42837
Kuber borrowed rs 169 due in 2 years at 4%per annum compound interest.Find the Present worth?
[ "225", "156.25", "180.25", "150.5" ]
null
B
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aqua_rat
aqua_rat_75654
Diane find 3 and a half cans of paint are just enough to paint one third of her room. How many more cans of paint will she need to finish her room and paint a second room of the same size?
[ "17 and a half", "10", "12 and a half", "15" ]
null
A
null
aqua_rat
aqua_rat_55111
A particular library has 75 books in a special collection, all of which were in the library at the beginning of the month. These book are occasionally loaned out through an inter-library program. If, by the end of the month, 65 percent of books that were loaned out are returned and there are 61 books in the special collection at that time, how many books of the special collection were loaned out during that month?
[ "30", "35", "40", "55" ]
null
C
null