List of top Quantitative Aptitude Questions

If $a + b + c = 12$ and $a^2 + b^2 + c^2 = 50$, what is the value of $ab + bc + ca$?

The HCF of two numbers is 12, and their LCM is 144. If one number is 36, what is the other number?

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

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.

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.

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?

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 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 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.

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?

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

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

Find the value of \(\frac{5.5 \times 6.7 \times 6.8}{117 + 3(2.5 \times3.7+3.7\times3.8+3.8\times2.5)+2.5 \times 3.7\times3.8}\)

Which of the following is TRUE?

Find the value of 23.6³ – 27.1³ + 3.5³

Find the amount when Rs.2560 is deposited in a bank for \(1\frac{2}{5}\) years at 25% p.a. compounded annually?