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big_math_dataset

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Fill in the blank with the correct number in this number series: 5, 15, 7, 12, __, 9, 11,... ?
A contractor undertakes to do a job within 100 days and hires 10 people to do it. After 20 days, he realizes that one fourth of the work is done so he fires 2 people. In how many more days G will the work get over?
P,Q and R together earn Rs.1620 in 9 days. P and R can earn Rs.600 in 5 days. Q and R in 7 days can earn Rs.910. How much amount does R can earn per day?
At a certain zoo, the ratio of zebras to penguins is 6 to 11. If there are 85 more penguins than zebras at the zoo, how many zebras are there?
In a rare coin collection, all coins are either pure gold or pure silver, and there is initially one gold coin for every three silver coins. With the addition of 16 more gold coins to the collection, the ratio of gold coins to silver coins is 1 to 2. Based on this information, how many total coins are there now in this...
How many seconds will a 300 m long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?
800 men have provisions for 15 days. If 200 more men join them, for how many days will the provisions last now?
On a Monday in a certain restaurant, 20 percent of the 180 customers ordered the daily special. On Tuesday, only 20 percent of the 120 customers ordered the special. For the two days combined, what percent of the customers ordered the daily special?
If a(a + 7) = 18 and b(b + 7) = 18, where a ≠ b, then a + b =
Five years ago, the average age of A, B, C and D was 45 yr. with E joining them now, the average of all the five is 48 yr. How old is E?
Anmol can eat 27 pastries in a hour. Aakriti can eat 2 pastries in 10 minutes. Divya can eat 7 pastries in 20 minutes. How long will it take them to eat a 300 pastries ?
Three consecutive even numbers are such that thrice the first number exceeds double the third number by seven. What is the third number?
A tour group of 25 people paid a total of $1155 for entrance to a museum. If this price included a 5% sales tax, and all the tickets cost the same amount, what was the face value of each ticket price without the sales tax? Choices
Find the compound interest on $1200 for 4 years at 20% p.a. if CI is component yearly?
Share Rs.4320 among John, Jose & Binoy in the ration 2 : 4 : 6.Find the amount received by John?
A man is 26 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is
3-6*6+2=
Susan, John, Daisy, Tim, Matt,Rose,Lily and Kim need to be seated in 8 identical chairs in straight line so that Susan is seated always left to Tim. How many such arrangements are possible ?
Will must choose a 3-character computer password, consisting of 2 letter from the alphabet and 1 distinct digits, in any order.From how many different passwords can Will choose?
What will come in place of the question mark (?) in the following questions? 7777/35 =?
If |x| < x^2, which of the following must be true ?
From a container having pure milk, 20% is replaced by water and the process is repeated thrice. At the end of the third operation, the milk is?
A large box contains 15 small boxes and each small box contains 20 chocolate bars. How many chocolate bars are in the large box?
Out of 460 students of a school, 325 play football, 175 play cricket and 50 neither play football nor cricket. How many students play both football and cricket ?
a, b, c, d, and e are positive consecutive integers and a < b < c < d < e. If the sum of a + b is one less than e, and the product of ab is one more than d, then what is the value of c?
Product of two natural numbers is 11. Then, the sum of reciprocals of their squares is
If x is a positive integer, which of the following must be odd?
A mixture of 150 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture?
Sam the Squirrel found a basket of pine cones one morning. He decided that every day he would double the number of pine cones in the basket in the morning and eat 2 pine cones out of the basket in the afternoon. At the end of the third day, there were 34 pine cones in the basket. How many pine cones were in the basket ...
The average amount with a group of seven numbers is Rs. 20. If the newly joined member has Rs. 50 with him, what was the average amount with the group before his joining the group?
How many years will it take my savings account initial deposit to double given that I receive just 2% per annum simple interest on the deposited money.
The current of a stream at 1 kmph. A motor boat goes 35 km upstream and back to the starting point in 12 hours. The speed of the motor boat in still water is?
Speed of boat in still water is 9km/hr . if boat moves upstream A to B in 2 hrs. & B to A in 1 hrs. Then find distance between A&B
A man can do a piece of work in 5 days, but with the help of his son he can do it in 3 days. In what time can the son do it alone ?
If the product of the integers a, b, c, and d is 1,155 and if a > b > c > d > 1, then what is the value of a – d?
Ravi can do a piece of work in 11 days while Prakash can do it in 22 days. In how many days will they finish it together?
What is 3/5 of 5/7 of 2/3?
A boat running downstream covers a distance of 10km in 3hr while for covering the same distance upstream, it takes 6hr. What is the speed of the boat?
Over a ten-year period Pat's income rose from $15,000 to $35,000. What was the percent increase in her income?
11 a3 +4b ___ 65 If a and b represent positive single digits in the correctly worked computation above, what is the value of the two digit integer ab?
If Greg buys 5 shirts, 4 trousers and 2 ties, the total cost is $80. If Greg buys 7 shirts, 4 trousers and 2 ties, the total cost is $70. How much will it cost him to buy 2 trousers, 3 shirts and 1 ties?
Population is 23000. Population increases by 10% every year, then the population after 3 years is?
If the L.C.M of two numbers is 720 and their product is 38880, find the H.C.F of the numbers.
In a T.V. factory, an average of 65TVs are produced per day for the fist 25days of the months. A few workers fellill for the next five daysreducing the daily avg for the month to58 sets/day . The average production per day for day last 5days is ?
The sale price sarees listed for Rs.400 after successive discount is 10% and 5% is?
In a certain pet shop, the ratio of dogs to cats to bunnies in stock is 3 : 5 : 9. If the shop carries 204 dogs and bunnies total in stock, how many dogs are there?
A boy has nine trousers and 10 shirts. In how many different ways can he select a trouser and a shirt?
The probability that A speaks truth is 3/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact?
In what time will a train 100 metres long cross an electic pole, if its speed be 144 km/hr?
If the positive integer x is a multiple of 4 and the positive integer y is a multiple of 8, then xy must be a multiple of which of the following? I. 8 II. 12 III 18
Look at this series: F2, __, D8, C16, B32, ... What number should fill the blank?
A company wants to spend equal amounts of money for the purchase of two types of computer printers costing $375 and $150 per unit, respectively. What is the fewest number of computer printers that the company can purchase?
If an integer n is to be chosen at random from the integers 1 to 94, inclusive, what is the probability that n(n + 1)(n + 2) will be divisible by 8?
Due to construction, the speed limit along an 9-mile section of highway is reduced from 55 miles per hour to 35 miles per hour. Approximately how many minutes more will it take to travel along this section of highway at the new speed limit than it would have taken at the old speed limit ?
A salesperson receives a base salary of $1000 per month and a commission of 7.5% of the selling price of each item sold above the first 50 item. If this month she sold 210 items for $150 each, what will her monthly salary be?
It takes 3 tons of copper ore and 5 tons of iron ore to make one ton of alloy A. How many tons of alloy A can be made from 30 tons of copper ore and 80 tons of iron ore?
The base of a parallelogram is twice its height. If the area of the parallelogram is 72 sq. cm, find its height.
When positive integer N is divided by positive integer J, the remainder is 18. If N/J = 134.08, what is value of J?
If 25% of x is 15 less than 12% of 1500, then x is?
If 20% of a = b, then b% of 20 is the same as:
The average (arithmetic mean) of 7, 8, 10 and 11 equals the average of 2, 9, 13, and
34.95 + 240.016 + 23.98 = ?
In 2008, a certain factory produced 20% more widgets than it did in 2007, and its production in 2009 was 120% of its production in 2008. By approximately what percent would its production need to decrease the following year for the factory to produce the same number of widgets it did in 2007?
How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length?
In a mixture of milk and water, the proportion of milk by weight was 80%. If, in a 180 gm mixture, 36 gms of pure milk is added, what would be the percentage of milk in the mixture formed?
A network of 20 x 10 squares is given to you. Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?
If John invested $ 1 at 5 percent interest compounded annually, the total value of the investment, in dollars, at the end of 4 years would be
In a group of cows and hens, the number of legs are 16 more than twice the number of heads. The number of cows is
Find the perimeter and area of the rectangle of length 11 cm and breadth 7 cm.
Three persons invested Rs.9000 in a joint business. The second person invested Rs.1000 more than the first and the third Rs.1000 more than second. After two years, they gained Rs.7200. How much third person will get?
A candidate got 33% of the votes polled and he lost to his rival by 833 votes. How many votes were cast?
What is the area of the square with the following coordinates: (x, y), (20, 20), (20, 6), (x, 6)?
Mangala completes a piece of work in 5 days, Raju completes the same work in 20 days. If both of them work together, then the number of days required to complete the work is?
Cost of 16 mirror and 8 comb is Rs.328 and the cost of 4 mirror and 4 comb is Rs.96. Find the cost of each mirror?
A bookshop had science and art books in the ratio of 2:5. By the end of the week, 20% of both type of books were sold and 2240 books were unsold. How many science books were there at the starting?
A Man can row upstream at 95kmph and downward stream at 47 kmph. Find Man's rate of the current
A driver would have reduced the time it took to drive from home to the store by 1/3 if the average speed had been increased by 18 miles per hour. What was the actual average speed, in miles per hour, when the driver drove from home to the store?
Two unbiased coin are tossed .what is the probability of getting atmost one head?
In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?
The ratio of the cost price and the selling price is 4 : 5.The profit percent is :
Shreyas bought an article and sold it for 130% of its cost price. What was the cost price of the article, if Shreyas sold it for Rs.40250/-?
A invested $400 in a business after 6 months B invested $200 in the business. End of the year if they got $100 as profit. Find B's shares?
Tickets for all but 100 seats in a 10,000-seat stadium were sold. Of the tickets sold, 25% were sold at half price and the remaining tickets were sold at the full price of $2. What was the total revenue from ticket sales?
At what rate of compound interest per annum will a sum of Rs. 1200 become Rs. 1348.32 in 2 years?
For all real numbers v, an operation is defined by the equation v* = v - v/3. If (v*)* = 20, then v=
An escalator moves towards the top level at the rate of 15 ft.sec and its length is 180 feet. If a person walks on the moving escalator at the rate of 3 feet per second towards the top level, how much time does he take to cover the entire length.
How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 134 m length?
If [Z] denotes the least integer greater than or equal to Z and [Z] = 0, which of the following statements must be true?
The profits of QRS company rose 50% from March to April, then dropped 20% from April to May, then rose 50% from May to June. What was the percent increase for the whole quarter, from March to June?
The average of 15 numbers is calculated as 30. It is discovered later on that while calculating the average, one number namely 36 was wrongly read as 26. The correct average is?
A rectangular plot measuring 90 metres by 40 metres is to be enclosed by wire fencing. If the poles of the fence are kept 5 metres apart, how many poles will be needed ?
Ashok borrowed some money at the rate of 6% p.a. for the first two years, at the rate of 9% p.a. for the next three years and at the rate of 14% p.a. for the period beyond five years. If he pays a total interest of 11,400/ - at the end of nine years, how much money did he borrow?
The tax on a commodity is diminished by 14% and its consumption increased by 15%. The effect on revenue is?
Ten Students take a test. The scores of the test are as follows: Student A:60 Student B:40 Student C:50 Student D:75 Student E:95 Student F:50 Student G:45 Student H:100 Student I:45 Student J:70 How many scores were greater than the median score but less than the mean score?
An urn contains 6 red, 5 blue and 2 green marbles. If 2 marbles are picked at random, what is the probability that both are red?
A wooden box of dimensions 4 m x 2 m x 4 m is to carry rectangularboxes of dimensions 4 cm x 2 cm x 2 cm. The maximum number ofboxes that can be carried in the wooden box, is
Machine A can finish a job in 4 hours, Machine В can finish the job in 3 hours, and Machine С can finish the job in 6 hours. How many hours will it take for A, B, and С together to finish the job?
P and Q started a business investing Rs. 96,000 and Rs. 28,000 respectively. In what ratio the profit earned after 2 years be divided between P and Q respectively?
Harkamal purchased 8kg of grapes at the rate of 80 per kg and 9 kg of mangoes at the rate of 55 per kg. How much amount did he pay to the shopkeeper?
The average weight of 16 girls in a class is 50.25 kg and that of the remaining 8 girls is 45.15 kg. Find the average weights of all the girls in the class.