What is the name of the book in Harry Potter series written by Jack Thorne to be published in mid - 2016?

What is the chemical name of chalk?

The passenger reservation system of the Indian Railways is designed by

Choose the one which is odd from the following options.

Which of the following ratio is greatest?

Take the given statements to be true even if they seem to be at variance from commonly known facts.

Statements :

A : All mothers are aunts.
B : All aunts are ladies.

Conclusions:

1. All ladies are mothers.
2. All ladies are aunts.

Which is India's first defense satellite?

A ball of 0.1 kg is dropped from rest. When it falls through a distance of 2 m, the work done by the force of gravity is