A) 11
B) 12
C) 24
D) 22
Correct Answer: D
Solution :
As we know that the hands of a clock coincide once in every hour. So, in a period of 12 hours, the hands of a clock are concide with each other = 11 times [\[\because \]Between 11 O' clock and 1 o' clock they concide only once] So, the hands of a clock are concide with each other in a day i.e. in 24 hours \[=11\times 2=22\]times
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