1.

A train 350 m long is travelling at a speed of 54 kilometre per hour how long will it take to cross a bridge 550 m long?please do it fast​

Answer»

ANSWER:

The answer will be

Total LENGTH = 350+550 = 900m

speed = 54km/h = 54 × 5/18 = 15m/sec

Time = d/s = 900/15 =60SEC



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