GMAT数学题,A certain clock marks every hour bystriking a number of times equal to thehour and the time required for a strokeis exactly equal to the time intervalbetween strokes.At 6:00 the timelapse between the beginning of thefirst stroke and the
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GMAT数学题,A certain clock marks every hour bystriking a number of times equal to thehour and the time required for a strokeis exactly equal to the time intervalbetween strokes.At 6:00 the timelapse between the beginning of thefirst stroke and the
GMAT数学题,
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?
(A) 72
(B) 50
(C) 48
(D) 46
(E) 44
GMAT数学题,A certain clock marks every hour bystriking a number of times equal to thehour and the time required for a strokeis exactly equal to the time intervalbetween strokes.At 6:00 the timelapse between the beginning of thefirst stroke and the
22/6*12=44
E