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big_math_dataset

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If Rs. 64 amount to Rs. 83.20 in 2 years, what will Rs. 86 amount to in 4 years at the same rate percent per annum ?
The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is?
Which of the following correctly lists the data sets in order of least to greatest standard deviation? I. 8, 9, 10, 11, 12, 13 II. 12, 12, 12, 12, 12, 12 III. 47, 56, 58, 60, 64, 69
Find the number of shares that can be bought for Rs.8200 if the market value is Rs.20 each with brokerage being 3.2%.
Suresh started a business with Rs.20,000. Kiran joined him after 4 months with Rs.30,000. After 2 more months, Suresh withdrew Rs.5,000 of his capital and 2 more months later, Kiran brought in Rs.20,000 more. What should be the ratio in which they should share their profits at the end of the year?
If each participant of a chess tournament plays exactly one game with each of the remaining participants, then 276 games will be played during the tournament. Find the number of participants.
The overall age of X and Y is 19 year greater than the overall age of Y and Z. Z is how many decades younger that X?
When 5% is lost in grinding wheat, a country has to import 20 million bags; but when only 2% is lost, it has to import only 15 million bags. Find the quantity of wheat, which grows in the country?
A bag of potatoes weighs 36 lbs divided by half of its weight. How much does the bag of potatoes weight?
Last year, Company Z made q dollars in profit. Half of the profit went to the company’s founder. The rest was split evenly among his two other partners. In terms of q, how much did each of the other partners receive?
The speed of a boat in upstream is 100 kmph and the speed of the boat downstream is 120 kmph. Find the speed of the boat in still water and the speed of the stream?
In a workshop there are 2 kinds of beds, 3 kinds of closets, 2 kinds of shelves and 7 kinds of chairs. In how many ways can a person decorate his room if he wants to buy in the workshop one shelf, one bed and one of the following: a chair or a closet?
When positive integer x is divided by positive integer y, the remainder is 12. If x/y = 75.12, what is the value of y?
A man bought an article and sold it at a gain of 5 %. If he had bought it at 5% less and sold it for Re 1 less, he would have made a profit of 10%. The C.P. of the article was
Let us say that a table tennis tournament was going on with knock out terms which means the one who loses the match is out of the tournament. 88 players took part in that tournament. How many matches were played?
The average weight of a group of 30 friends decreases by 1 kg when the weight of one of them was removed. If average weight of the group after removing the weight of this one person is 29 kg, what is the weight of their new friend ?
1/0.025 is equal to
In Orange County one fifth 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?
Amar takes as much time in running 12 meters as a car takes in covering 48 meters. What will be the distance covered by Amar during the time the car covers 1.6 km?
Set A consists of integers -9, 8, 3, 10, and J; Set B consists of integers -2, 5, 0, 7, -6, and Y. If R is the median of Set A and W is the mode of set B, and R^W is a factor of 34, what is the value of Y if J is negative?
A boat having a length 7 m and breadth 2 m is floating on a lake. The boat sinks by 1cm when a man gets on it. The mass of the man is:
The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?
How many differently shaped triangles exist in which no two sides are of the same length, each side is of integral unit length and the perimeter of the triangle is less than 14 units?
A certain meter records voltage between 0 and 10 volts inclusive. If the average value of 3 recordings on the meter was 5 volts, what was the smallest possible recording in volts?
What is the difference between the compound interest on Rs.12000 at 26% p.a. for one year when compounded yearly and half yearly?
A is thrice as good a workman as B and therefore is able to finish a job in 80 days less than B. working together, they can do it in
One boy forgot the last digit of a 7digit telephone no. If he randomly dial the final 3digits after correctly dialing the 1st 4, then what is the chance of dialing the correct no.?
On 4th Jan, 2009 Sunday falls. What day of the week was it on 4th Jan, 2008?
A certain sum of money is divided among A, B and C such that A gets one-third of what B and C together get and B gets two-seventh of what A and C together get. If the amount received by A is $35 more than that received by B, find the total amount shared by A, B and C.
2/[(1/0.03) + (1/0.37)] = ?
A car has been driven with an average speed of 30 kilometers per hour during the first 30 kilometers of a journey. Upon reaching the 30th kilometer, the car then travels at 45 kilometers per hour for the next 30 kilometers. Find out the average speed of the car if it has not been stopped at all during the journey.
The mall charges 40 cents for the first hour of parking and $3 for each additional hour until the customer reaches 4 hours, after that the parking fee is $2 per hour. If Mr.Park parked his car in the mall for 7 hours and 30 minutes, how much is he going to pay?
The banker's gain of a certain sum due 2 years hence at 10% per annum is Rs.24. The present worth is
Rohit spent 50 percent of his earning last month on rent and 30 percent less than what he spent on rent to purchase a new dishwasher. What percent of last month's earning did John have left over?
If after 200 grams of water were added to the 30%-solution of alcohol, the strength of the solution decreased by one-third, how much of the 30%-solution was used?
There are 8 letters and corresponding 8 envelopes. If 8 letters are placed into 8 envelopes randomly, find the number of ways that exactly one letter is placed into wrong envelope.
With a uniform speed a car covers the distance in 8 hours. Had the speed been increased by 4 km/hr, the same distance could have been covered in 7 1/2 hours. What is the distance covered?
In a city, the streets are aligned in a grid, where the east-west roads are called 1st Rd, 2nd Rd, 3rd Rd, etc, increasing in number as one moves northward. The north-south roads are called 1st Ave, 2nd Ave, 3rd Ave, etc, increasing in number as one moves eastward. If Bill needs to walk from the corner of 2nd Rd and 3r...
A can do a half of certain work in 70 days and B one third of the same in 35 days. They together will do the whole work in.
If m is an integer such that (-2)^2m=2^(15-m) then m=?
Two numbers A and B are such that the sum of 5% of A and 3% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B.
All numbers from 1 to 150 (in decimal system) are written in base 6 notation. How many of these will contain zero's?
Malar and Roja combined will complete a task in 35 days, but Malar alone can complete same work in 60 days. Calculate in how many days Roja can complete this work ?
The value of (9x10^8)(5x10^9) is closest to which of the following?
A certain company charges $6 per package to ship packages weighing less than 2 pounds each. For a package weighing 2 pounds or more, the company charges an initial fee of $6 plus $2 per pound. If the company charged $36 to ship a certain package, which of the following was the weight of the package, in pounds?
If x is a positive, single-digit integer such that 4/3*x, 2x, x, and x + 2, and 5x – 2 form a non-ordered list of consecutive integers, which of the following could be the median of that list?
If abcd represents a positive four-digit number, where a, b, c and d are one-digit integers, which of the following CANNOT be true?
The distance light travels in one year is approximately 5,870,000,000,000 miles. The distance light travels in 100 years is:
The sum of ages of 5 children born at theintervals of 3 years each is 50 years. what is the age of the youngest child?
The distance between two villages P and Q is 330 Km. A train starts from P at 8 a.m. and travel towards Q at 60 km/hr. Another train starts from Q at 9 a.m and travels towards P at 75 Km/hr. At what time do they meet?
A vessel contains 20 liters of a mixture of milk and water in the ratio 3:2. 10 liters of the mixture are removed and replaced with an equal quantity of pure milk. If the process is repeated once more, find the ratio of milk and water in the final mixture obtained?
Round trip time of 110 meters in a river is 16 min. the velocity of stream is 3m/min. what is the velocity of the person in the still water?
In a race of 1000 m, A can beat by 100 m, in a race of 800m, B can beat C by 100m. By how many meters will A beat C in a race of 800 m?
If there is an equal probability of a child being born a boy or a girl, what is the probability that a couple who have 4 children have two children of the same sex and one of the opposite sex?
A train 280 m long, running with a speed of 63 km/hr will pass a tree in?
Rs.1500 is divided into two parts such that if one part is invested at 6% and the other at 5% the whole annual interest from both the sum is Rs.80. How much was lent at 5%?
If 9a - b = 10b + 70 = -12b - 2a, what is the value of 2a + 22b?
The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.144. Find the principal?
If the cost price is 25% of selling price. Then what is the profit percent.
Of the 320 people attending a conference, 180 have signed up for the Marketing workshop and 250 have signed up for the Accounting workshop. If 40 of the people attending did not sign up for either workshop, then the number of people who signed up for both the Marketing and the Accounting workshops is:
Varma can read a book in m minutes. What part of the book can he read in 7 minutes?(m>7)
If positive integer k is divided by 12, the quotient is m and the remainder is 2, then which of the following must be true? I. k + m is even II. k cannot be a prime number III. k is divisible by 4
If a class of 10 students has six men, how many ways can the men and women be arranged in a circle so that no two men sit next to each other?
Find the remainder when 4*4! + 5*5! + 6*6! +...................+ 19*19! is divided by 64.
G is the set of the first n positive odd numbers, where n is a positive integer. Given that n > k, where k is also a positive integer, x is the maximum value of the sum of k distinct members of G, and y is the minimum value of the sum of k distinct members of G, what is x + y?
A worker is paid Rs.20/- for a full days work. He works 1,1/3,2/3,1/8.3/4 days in a week. What is the total amount paid for that worker ?
In how many years will a sum of money doubles itself at 5% per annum on simple interest?
There are 15 stations between Hyderabad and Bangalore. How many second class tickets have to be printed, so that a passenger can travel from any station to any other station?
A person spent Rs. 8,596 from his salary on food and ?7,640 on house rent. After that he was left with 28% of his monthly salary. What is his monthly salary ?
The average age of 35 students in a class is 16 years. The average age of 21 students is 14. What is the average age of remaining 2 students?
The ratio of radius of a circle and the side of a square is 2 : 11. Find the ratio of their areas:
A big container is 35% full with water. If 48 liters of water is added, the container becomes 3/4 full. What is the capacity of the big container in liters?
If m = 3^n, what is the greatest value of n for which m is a factor of 16!
At a certain committee meeting only associate professors and assistant professors are present. Each associate professor has brought 2 pencils and 1 chart to the meeting, while each assistant professor has brought 1 pencil and 2 charts. If a total of 10 pencils and 5 charts have been brought to the meeting, how many peo...
A train covers a distance of 12 km in 10 min. If it takes 15 sec to pass a telegraph post, then the length of the train is?
If you add all the numbers on your mobile phone except 9, what is the answer?
If x^2 = 191, which of the following is closest to a potential value of x?
There are 21 balls in a jar. You take out 3 red balls without putting them back inside, and now the probability of pulling out a red ball is 1/3. How many blue balls were there in the beginning?
If the arithmetic mean of p and q is 10 and the arithmetic mean of q and r is 25, what is the value of r-p?
If Sn is the sum of the first n terms of a certain sequence and if Sn = n(n+7) for all positive integers n, what is the third term of the sequence?
P can complete a piece of work in 18 days & B can do the same piece of work in 15 days. They started working together but after 3 days P left & Q alone completed the remaining work. The whole work was completed in how many days?
A can work three times as fast as B. Together they can finish a job in 12 days. In how many days can A complete the job alone?
A trader sells 66 meters of cloth for Rs. 660 at the profit of Rs. 5 per metre of cloth. What is the cost price of one metre of cloth?
The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number ?
Rs.385 were divided among X,Y,Z in such a way that X had Rs.20 more than Y and Z had Rs 15 more than X . How much was Y’s share?
The population of a town is 10000. It increases annually at the rate of 20% p.a. What will be its population after 3 years?
How many words can be formed by using all letters of the word 'FOUR' ?
A sum of money invested for a certain number of years at 8% p.a. simple interest grows to Rs.180. The same sum of money invested for the same number of years at 4% p.a. simple interest grows to Rs.120 only. For how many years was the sum invested?
If A can do 1/4 of a work in 3 days and B can do 1/6 of the same work in 4 days, how much will A get if both work together and are paid Rs. 180 in all?
A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is ?
In how many ways Chief Minister and Minister be elected from a team of 15 members?
what is 66.67% of 804 ?
An electric motor makes 1,400 revolutions per minutes. How many degrees does it rotate in one second?
10 students are to be seated in two rows equally for the Mock test in a room. There are two sets of papers, Code A and Code B. each of two rows can have only one set of paper but different that from other row. In how many ways these students can be arranged ?
At a supermarket, John spent 1/5 of his money on fresh fruits and vegetables, 1/3 on meat products, and 1/10 on bakery products. If he spent the remaining $11 on candy, how much did John spend at the supermarket?
A student scored an average of 65 marks in 3 subjects: Physics, Chemistry and Mathematics. If the average marks in Physics and Mathematics is 90 and that in Physics and Chemistry is 70, what are the marks in Physics?
A flagstaff 17.5 m high casts a shadow of length 40.25 m. The height of the building, which casts a shadow of length 28.75 m under similar conditions will be:
An amount of money is to be divided between P, Q and R in the ratio of 3:7:12. If the difference between the shares of P and Q is Rs.3600, what will be the difference between Q and R's share?
In a race of 1000 m, A can beat by 100 m, in a race of 800m, B can beat C by 100m. By how many meters will A beat C in a race of 600 m?
Write 850,000,000,000 in scientific notation.