Question
A train 110 metres long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?
Answer: Option B
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Speed of train relative to man = (60 + 6) km/hr = 66 km/hr.
= \(\left(66\times\frac{5}{18}\right)m/sec\)
=\(\left(\frac{55}{3}\right)m/sec.\)
Thairfor Time taken to pass the man = \(\left(100\times\frac{3}{55}\right)sec = 6sec.\)
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