Questions

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

Tie the knot

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one, which best express the same sentence in Indirect/Direct speech.

Vicky said, "Please say nothing about this."

Which of the following is the cleanest source of energy?

Bulb is a modification of which part of a plant?

In 1981, ISRO launched India's first geostationary satellite called -

Insulators have resistivity of the order of 

A curved mirror where the reflecting surface is curved inwards is called a

A body of mass 3 kg accelerates from 10 m/s to 20 m/s in 5 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).