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

Direction: In the following question, there is a certain relationship between two given words on one side of $::$ and one word is given on the other side of $::$; while another word is to be selected from the given alternatives.
Quartz : Radio :: Gypsum : ?

The value of $\frac{\sqrt{32}+\sqrt{48}}{\sqrt{8}+\sqrt{12}}$ is:

If A and B complete a job working together in $20\text{days}$, B and C together in $15\text{days}$ and C and A in $12\text{days}$, all three working together will be able to complete the same job in:

The number of multiples of $4$ between $10$ and $250$ is:

The total price of $6$ shirts and $7$ trousers is $\text{Rs. }4,130$ while that of $4$ shirts and $9$ trousers is $\text{Rs. }4,270$. Find out the price of $3$ shirts.