A passenger in train P travelling at 1km/min uses his stop watch and finds that another train Q travelling in?
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A passenger in train P travelling at 1km/min uses his stop watch and finds that another train Q travelling in opposite direction, completely passed his window in 3sec. If the length of train Q is 87.50m. find its speed?
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Answer:
3*1000/60= 50 m - dist.covered by P 87.5-50=37.5m the dist traveled by Q in 3 sec. 60*37.5/(3*1000)=0.75 km/min hope i am right.
Bhavya at Yahoo! Answers Visit the source
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