WBCS Mains 2018 Official Paper-VI

The ratio of velocity of hour's hand and minute's hand of a clock is

If a square and a rectangle have the same perimeter and their areas are $S$ and $R$ respectively, then

A parallelogram, a rectangle and a triangular region stand on the same base and between the same parallels. If their areas are $P$, $R$ and $T$ respectively, then

Babu made a $4\%$ loss by selling $12$ toffees for $\text{Rs. }5$. How many toffees should he sell for $\text{Rs. }10$ to get a $28\%$ profit?

If $x^3+6x^2+4x+K$ is divisible by $(x+2)$, then the value of $K$ is