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How many times hands of a clock coincide in a day -(A) 10(B) 22(C) 11(D) 24 |
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Answer» option B The hands of a clock coincide11 timesin every 12 hours (Since between 11 and 1, they coincide onlyonce, i.e., at 12 o'clock). The hands overlap about every 65 minutes, not every 60 minutes. The hands coincide22 timesin a day. (B) 22 times. At 12:00 am since between 11:00 and 1:00--> 1 time few min. after 1 am, 2 am,...upto 10am. --> 10 times Total 11 times similarly 11 times in on so, total 22 |
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