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

20 21 22 23

22

By observing the pattern :- { The two hand coincide at 12:00 , 1:05 , 2:11 , 3:16 , and so on. } We can say that These two hands coincide after every 65 minutes. In 12 hour = Coincide 11 time In 24 hour = coincide 22 times