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Clock Question

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A certain clock marks every hour by striking a number of times equal to the hour and the time required for a stroke is exactlyequal to the time interval between strokes. At 6:00 the time lapse between the beginning of the first stroke and the end of the last stroke is 22 seconds. At 12:00, how many seconds elapse between the beginning of the first stroke and the end of the last stroke?
(A) 72
(B) 50
(C) 48
(D) 46
(E) 44
Official Answer

1 Answer

Raghavendra Aditya
1
6 o clock has 6 ticks and 5 intervals. - 11 - 22 seconds
12 o clokc has 12 ticks and 11 intervals - 23 -> 23 * 22/11 = 46
Ans D
answered May 14, 2017 by Beginner (11 points)
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