Exams

Present age of Amit is twice of Baman’s present age. After 5 years Baman’s age will be 4 times of the Chetan’s present age. If Chetan celebrated his sixth birthday 7 years ago, then what will be the present age (in years) of Amit?

7 litres mixture of milk and water contains 30% water. 3.5 litres of milk is added to this mixture. What is the percentage of water in the new mixture?

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

For what value of 'y', x2 + 112x + y2 is a perfect square?

The sum of a non-zero number and its reciprocal is 2. What is the number?

What process takes place during the youthful stage of a river?

An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

If the average age of four children is 12 years and the average age of these children and their fathers is 20 years, what is the age of the father?