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A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?

  • A.40 sec
  • B.42 sec
  • C.45 sec
  • D.48 sec

Answer: A

Speed = 45 * 5/18 = 25/2 m/sec

Total distance covered = 360 + 140 = 500 m

Required time = 500 * 2/25 = 40 sec

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