Question

Where will the hour hand of a clock stop if it starts from $10$ and turns through $2$ right angles in clockwise direction?

Answer 1

Angles made by hands of analog clocks:

We know that $1$ right angle makes $90°$ which makes a quarter.

So, according to the question

$2\mathrm{right}\mathrm{angles}=180°=\frac{1}{2}\mathrm{a}\mathrm{revolution}$

Hence, the hour hand of a clock stops at $4$ when it starts from $10$ turns through $2$ right angles in a clockwise direction.

Thus, $4$ is the required answer.