Editorial Board Solutions for Chapter: Arithmetic Maths, Exercise 1: CLOCK

At what time between 4 and 5 Clocks will the hands of a Clock be together? 
 

A clock is set right at $9$ am. The clock gains $10$ min in $24$ hours. What will be the true time, when the clock indicated $2$ pm on the following day?

Find the angle between the two hands of a clock when the time is $2 : 30$.

How many times do the hands of a clock coincide in a $\frac{1}{3}$ of $72$ hours?

How many times are the hands of a clock at a right angle in a half of $48$ hours?

At what time in minutes between $3$ and $4$ o'clock both the hands will coincide each other?

Find angle between two hands when the time is $6:20$ PM.

Time in the clock is $10 : 25 \mathrm{M}$. So what is the angle of reflection?