List of top Quantitative Aptitude Questions

In an examination, 35% of total students failed only in Hindi, 45% failed only in English and 20% failed in both, then the percentage of students who passed in both the subjects is:
The value of \( 35.7 - \left[ 3 + \frac{1}{3 + \frac{1}{3}} \right] - \left[ 2 + \frac{1}{2 + \frac{1}{2}} \right] \) is:
Two pipes, A and B, can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, how long will it take to fill the tank?
The fraction equivalent to \( \frac{2}{7}% \) is
The average of the first 100 positive integers is:
The average of 7 consecutive numbers is 20. The largest of these numbers is:
The total number of digits used in numbering the pages of a book having 366 pages is:
The ages of A and B are in the ratio 6 : 5 and the sum of their ages is 44 years. What will be the ratio of their ages after 8 years?
In how many years will a sum of money double itself at 6.1% simple interest per annum?
The simple interest on a sum of money is \( \frac{4}{9} \) of the principal. If the rate percent and time are numerically equal, then find the rate percent.
The selling price of 30 items is equal to the purchase price of 25 items, then the profit or loss percent is:
If \( \sqrt{x} + 14 = \sqrt{2601} \), then \( x \) is equal to:
Simplify \[ \frac{7}{8} \times \frac{7}{8} + \frac{5}{6} \times \frac{5}{6} + \frac{7}{8} \times \frac{5}{3} \div \left( \frac{7}{8} \times \frac{7}{8} - \frac{5}{6} \times \frac{5}{6}\right) \]
If \[ \sqrt{218 + \sqrt{37 + \sqrt{144}}} = K, \text{ then value of } K \text{ is} \]
How much water must be added to 60 litres of milk, costing \rupee20 per litre, to get a mixture worth \rupee10\( \frac{2}{3} \) per litre?
If the ratio of two numbers is 11 : 12 and their LCM is 528, then their H.C.F is:
The H.C.F and L.C.M. of two numbers are 12 and 336 respectively. If one of the numbers is 48, the other is:
The H.C.F of 3556 and 3444 is:
A number when divided by 195 leaves a remainder 47. If the same number is divided by 15, the remainder will be:
The difference between the cost price and sale price of an article is \rupee240. If the profit is 20%, the selling price is:
The ages of two persons differ by 16 years. If 6 years ago, the elder one was three times as old as the younger one, then the present age of the elder one is:
A 160 m long train crosses a 160 m long platform in 16 seconds. Then the speed of the train is:
A can do a piece of work in 10 days and B in 20 days. They work together but 2 days before the completion of the work, A leaves. In how many days was the work completed?
Six years ago, the ratio of the ages of Ram and Ravi was 6 : 5. Four years hence, the ratio of their ages will be 11:10. What is Ravi's age at present?
The ratio of ages of 2 boys is 3:7. After 2 years, the ratio of their ages will become 5:9. The ratio of their ages after 10 years will be