List of top Quantitative Aptitude Questions

The average of 7 consecutive numbers is 20. The largest of these numbers 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?
The fraction equivalent to \( \frac{2}{7}% \) is
If \( \sqrt{x} + 14 = \sqrt{2601} \), then \( x \) is equal to:
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 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 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?
Simplify \[ \frac{7}{8} \times \frac{7}{8} + \frac{5}{6} \times \frac{5}{6} + \frac{7}{8} \times \frac{5}{3} \div \left( \frac{7}{8} \times \frac{7}{8} - \frac{5}{6} \times \frac{5}{6}\right) \]
The selling price of 30 items is equal to the purchase price of 25 items, then the profit or loss percent is:
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 160 m long train crosses a 160 m long platform in 16 seconds. Then the speed of the train is:
A number less than 100, when divided by 4, 5 and 6 leaves remainder 2 in each case. The number is:
The difference between the cost price and sale price of an article is \rupee240. If the profit is 20%, the selling price is:
If \[ \sqrt{218 + \sqrt{37 + \sqrt{144}}} = K, \text{ then value of } K \text{ is} \]
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
X got 98 marks in his exam which is 56 of the total marks. What is the maximum marks of the exam?
Find a single equivalent increase if the number is successively increased by 20, 25 and 30?
If selling price of 80 articles is equal to the cost price of 100 articles, then find the gain percentage.
What sum of money will amount to Rs. 520 in 5 years and to Rs 568 in 7 years on simple interest?
The area of a circle is numerically equal to its circumference. Find the diameter of the circle.