WBCS 2021 Mains (General Studies Paper-IV) Prev. Yr. Paper (24-May-2022)

The maximum number of students among whom $910$ pens and $1001$ pencils can be distributed in such a way that each student gets same number of pens and pencils, is:

A circular lawn has an area of $154\text{sq meter}$. A path of $7\text{meter}$ width surrounds the lawn. What is the area of the lawn including the path? (in $\text{sq meter}$)

$AB$ and $CD$ are two parallel chords of a circle such that $AB=10\text{cm}$ and $CD=24\text{cm}$. If the chords are on the opposite sides of the centre and the distance between them is $17\text{cm}$, then the radius of the circle is:

If an amount of $\text{Rs. }84,105$ is distributed equally amongst $35$ children, how much amount would each child get?

The length of the sides of a triangle are $5\text{cm}$, $12\text{cm}$ and $13\text{cm}$. Its area is: