List of top Quantitative Aptitude Questions

The sum of the squares of three consecutive integers is 110. What is the smallest integer?

A and B can complete a work in 12 days, B and C in 15 days, and A and C in 20 days. How long will A alone take to complete the work?

The sum of the first $n$ terms of an arithmetic progression is $S_n = 3n^2 + 2n$. What is the 5th term?

A man invests Rs. 5000 at 5% simple interest per annum. How much interest will he earn after 3 years?

A pipe can fill a tank in 6 hours, and another pipe can empty it in 8 hours. If both pipes are opened together, how long will it take to fill the tank?

If the sum of two numbers is 15 and their product is 56, what is the sum of their reciprocals?

Read the following information and answer the question The production, sales and price of companies A, B, C, D, E for the year 2013 and 2014 are given in the following table. Study the following table and answer the question accordingly.
that follows:

Company	PRODUCTION IN 1000 IN 2013	SALES IN 100 IN 2013	PRICE/CAR IN LAKHS IN 2013
COMPANY A	25	185	6
COMPANY B	36	330	3.5
COMPANY C	19	115	7
COMPANY D	15	121	5
COMPANY E	30	249	4.5

Company	PRODUCTION IN 1000 IN 2014	LAKHS IN 2014
COMPANY A	21	160	6
COMPANY B	39	290	3.2
COMPANY C	27	225	6.5
COMPANY D	18	95	6
COMPANY E	30	220	5

The ratio of the number of marbles between A and B is 27 : 39 and that with B and C is 117:119. If C has 1071 number of marbles with him then find the total number of marbles among A, B and C.

Rs 66500 is distributed among A, B and C in the ratio of 9:11:15. Find the difference between the share of A and C.

A boy buys 20 candies at Rs.2 per piece. He buys five chocolates at Rs.7 per piece. At what value should he sell them to make a profit of Re.1 per piece?

A showroom offers one item free on the purchase of every five items. What is the discount offered by the showroom?

A man buys certain number of bananas at 3 per rupee and same number at 7 per rupee. He mixes them together and sells at 10 per rupee. Find the gain or loss %.

A vendor on discovering that 20% of the eggs were rotten, increased his selling price by 15% more than the 15% he was already charging. Find the percentage profit.

A trader decides to sell a kilogram of sugar at its cost price. But he uses false weights and sells only 900 grams instead of a kilogram. What is the percentage of profit?

A bag contains Rs.2 and Rs.10 coins in the ratio 21:34 respectively, which amounts to Rs.3438, then find the number of Rs.10 coins.

A's present age is 2.5 times the age of B. If after 2.5 years the ratio of their ages is 11:5, then find the present age of B?

Find the greatest number of 5 digits which when divided by 9, 15, 18 and 21 leaves remainders 5, 11, 14 and 17 respectively.

Find the greatest number such that when 795, 671, 523 are divided by it leaves the same remainder in each case.

A number when divided by 259 leaves 149 as remainder. If the same number is divided by 37 then what would be the remainder?

The population of a town is 123400. It increases by 18% in the first year and further it increases by 27% in the second year. Find the overall approximate percentage increase in population.

In an examination A scores 92% and gets 211.5 marks more than the minimum required marks while B scores 29% marks and fails by 72 marks. Find the maximum marks for the examination.

When 27% of a certain number is subtracted from the number itself then we obtain 511. Find 59% of that number.

Find the value of \((217 \frac{15}{19})^2\)+ \((215 \frac{15}{19})^2\) + \((211 \frac{15}{19})^2\) - \((217 \frac{15}{19}) (215 \frac{15}{19})\) - \((217 \frac{15}{19}) (211 \frac{15}{19})\) - \((215 \frac{15}{19}) (211 \frac{15}{19})\)

What is the number in unit place of 3687³⁴³ + 9?