Exams

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

Students are sitting in a row in which the position of X is 17th from the left and that of Y is 14th from the right. If they interchange their positions, X's position becomes 7th from the left. How many students are there in the row?

Choose the one which is odd from the following options

There are usually three Parliamentary sessions in India, viz, the Budget session, the Monsoon session and _______.

_____ is produced from incomplete burning of fuels such as petrol and diesel.

India has designed and developed pilotless target aircrafts named ___ and made successful test flight of its unmanned air vehicle (UAV).

1. Nishant

2. Lakshya

3. Astra

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Let bygones be bygones

Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is