WBCS Mains 2021 (Held On May 2022) Official Paper-VI

Two problem figures have certain common characteristic features:



Choose the answer figure from the alternatives that shares this exact same commonality.

A pump can fill a tank with water in $2$ hours. Because of a leak developed in the tank, it now takes $2.5$ hours to fill the tank. In how many hours will the leak empty the full tank when the pump is not running?

Determine the quadrant in which the point $(\sqrt{5}-3,\sqrt{5}-2)$ lies.

Find the roots of the equation $\frac{1}{p+q+x}=\frac{1}{p}+\frac{1}{q}+\frac{1}{x}$.

A family consists of six members: A, B, C, D, E, and F.
* B is the sister-in-law of C's mother.
* C is the sister of F.
* A is the father of D and F is the grandson of A.
* There are three male members in the family.

The members of the family belong to how many generations?