1.

How many times the hands of clock are at right angle to each other between 12 noon to 6 pm(A) 9(B) 10(C) 11(D) 12

Answer» How many times the hands of clock are at right angle to each other between 12 noon to 6 pm
(A) 9
(B) 10
(C) 11
(D) 12


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