List of top Quantitative Aptitude Questions

A shopkeeper marks up an article by 25% and then offers a 20% discount. What is the net profit percentage? 
 

The number of ways to arrange 5 distinct books on a shelf is: 
 

The sum of the squares of three consecutive integers is 110. What is the smallest integer?
A car travels from A to B at 60 km/h and returns at 40 km/h. If the total time taken is 5 hours, what is the distance between A and B?
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?
If $2^x = 3^y = 6^z$, what is the value of $xy$ in terms of $z$?
The sum of the first $n$ terms of an arithmetic progression is $S_n = 3n^2 + 2n$. What is the 5th term?
A rectangular garden has a perimeter of 100 meters and an area of 600 m². What is the length of the garden?
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?
A shopkeeper sells an item at a 20% discount on the marked price and still makes a 25% profit on the cost price. If the cost price is Rs. 400, what is the marked price?
If $a + b + c = 12$ and $a^2 + b^2 + c^2 = 50$, what is the value of $ab + bc + ca$?
The ratio of the speeds of two trains is 3:4. If the second train covers 400 km in 5 hours, what is the speed of the first train?
A man travels 300 km, partly at 60 km/h and partly at 80 km/h. If the total time taken is 4.5 hours, how many kilometers did he travel at 60 km/h?
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:
CompanyPRODUCTION IN 1000 IN 2013SALES IN 100 IN 2013PRICE/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

CompanyPRODUCTION IN 1000 IN 2014LAKHS 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 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.
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?