How many times do the hands of a clock coincide in day?

A. 11
B. 12
C. 22
D. 24
Ans: C.

Explanation:

The hands of a clock coincide 11 times in every 12 hours (Since between 11 and 1, they coincide only once, i.e. at 12 o’clock).
=> The hands coincide 22 times in a day.