clock

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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 exactly equal 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?

46

[vivek.kapoor83]

solve it by relative speed.
no of degree covered by hour hand in 1 min = 1/2
no of degree .....by minute hand in 1 min = 6

so, relative speed = 5 1/2 degree
hope it helps..if not tell me
i will provide the complete solution

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can you please explain some more ....

[parallel_chase]

refer this
https://www.beatthegmat.com/another-og-q ... t2108.html