Question

What is 1 fifth of a clock?

Answer 1

2.4 hours or 2 hours and 24 minutes represents $\frac{1}{5}$ of a clock. 

The easiest way to find this is to divide 12 by 5 since there are twelve hours on a clock. 
I got the 24 minutes by multiplying 60(minutes there are in an hour) by .4 and got 24.

Answer 2

2.4 hours or 2 hours and 24 minutes Is 1 fifth of a clock