Book Maths Puzzle

How many seconds will it take for a train 120 metres long moving at the rate of 15 m/sec to overtake another train 160 m long running from the opposite side at the rate of 90 km/hr?

Read Solution (Total 1)

Total distance to be travelled = 120+160=280 m
relative speed = 15 + 90*5/18 = 40 m/sec
Time taken = 280/40 = 7 secs
12 years agoHelpfull: Yes(1) No(0)

Book Other Question

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