List of top Quantitative Aptitude Questions

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 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?
The average of the first 100 positive integers is:
The average of 7 consecutive numbers is 20. The largest of these numbers is:
The fraction equivalent to \( \frac{2}{7}% \) is
If \[ \sqrt{218 + \sqrt{37 + \sqrt{144}}} = K, \text{ then value of } K \text{ is} \]
A number less than 100, when divided by 4, 5 and 6 leaves remainder 2 in each case. The number is:
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.
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?
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:
The total number of digits used in numbering the pages of a book having 366 pages is:
Kavya is 40 years old and Neetu is 60 years old. How many years ago was the ratio of their ages 3 : 5?
Simplify \[ \frac{7}{8} \times \frac{7}{8} + \frac{5}{6} \times \frac{5}{6} + \frac{7}{8} \times \frac{5}{3} \div \left( \frac{7}{8} \times \frac{7}{8} - \frac{5}{6} \times \frac{5}{6}\right) \]
A person reaches his destination 40 minutes late if his speed is 3 km/hr and reaches 30 minutes before time if his speed is 4 km/hr. Then the distance of his destination from his starting point is:
If a boat goes 7 km upstream in 42 minutes and the speed of the stream is 3 kmph, then the speed of the boat in still water is:
A number when divided by 195 leaves a remainder 47. If the same number is divided by 15, the remainder will be:
If \( \sqrt{x} + 14 = \sqrt{2601} \), then \( x \) is equal to:
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?
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?
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:
The difference between the cost price and sale price of an article is \rupee240. If the profit is 20%, the selling price is:
The selling price of 30 items is equal to the purchase price of 25 items, then the profit or loss percent is: