Questions

To be a voter in India, what is the minimum qualifying age?

The absolute refractive index of air is

Who discovered the ABO blood group system?

There are 15 protons and 22 neutrons in the nucleus of an element. What is its mass number?

On the banks of which river is Jabalpur situated?

The Indira Point, the southern point of India, is situated in the ___ tip of Great Nicobar Island.

___________ is a hormone that regulates the amount of glucose in the blood.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
One who is determined to take full revenge for wrongs done to him