How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length?

2 Answers on this Question

1. 12.1s

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2. Total distance to cover = 132 +110 = 242m
   Speed = 72kn/hr = 20m/s
   time = 242/20 = 12.1 sec.

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