Questions

A universal donor has the blood group

On which network was first SMS sent?

The national song of India was composed by

The area under a Velocity-Time graph represents ______________.

A sound wave has a frequency of 4 kHz and a wavelength of 40 cm. The time taken by the sound wave to travel a distance of 3.2 km is

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
To give up a throne voluntarily

Bauxite is an ore/mineral of

In the following question, out of the four alternatives, select the word similar in meaning to the word given.

Belligerent