Distance between two poles is 50 meters. A train goes by 48
at a speed of kmph. In one minute how many poles will be
crossed by the train ?
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Answer Posted / shyam
DATA INADEQUATE...because the length of the train is not
specified. Suppose the length of the train was
100m(say)..den it has to travel 50m(dist btwn the poles) +
100m(length of the train itself) to cross 2 poles completely..
So it takes approximately 11 sec to cross 2 poles (after
calculating by converting into m/s n m/min)
so 60/11 ~= 5.5.. hence it crosses 2 * 5.5 = 11 poles in 1 min..
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