Questions

The hardest natural substance is

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

My father (were standing) in the balcony, his face clenched in a storm of emotions.

Consider a planet whose mass and radius are both twice the mass and radius of Earth. The acceleration due to gravity on the surface of the planet is 'n' times that on Earth. The value of n is:

Which is the 1st country to recognise Pfizer-bioNtech's coronavirus vaccine?

Which of the following states has the lowest literacy rate?

With the participation in the Rio Olympics who has become the first tennis player in the world to have 7 appearances in Olympics?

How many players, on each side, are required for the game of volleyball?

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

6,11,21,36,56,?