GMAT数学题,A certain clock marks every hour bystriking a number

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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

22/6*12=44
E
再问：不是E，我宁愿相信你的给出的是22/5*11, rather than that.
再答：敲6下22秒,12下你说多少秒? 我也想给那答案,但没有选项啊
再问：钟摆敲六下，其每个钟摆敲的过程中间隔一共只有五个而不是六个。答案是46，我很纳闷。
再答：敲也算时间的不光间隔,否则=48.4没答案
再问：答案是46。。。更加觉得没答案了。
再答：不可能,不可能,难道哪里数据有问题,我也是认为应该按照48.4那种去算,但是没有答案,所以我被迫改变算法算成44,如果是46,绝对不可能除非数据出错,或者外国的钟和我们不一样!

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