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Q: Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train?

  • 1
    27 7/9 mts
  • 2
    25 8/7 mts
  • 3
    21 1/4 mts
  • 4
    22 mts
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Answer : 1. "27 7/9 mts"
Explanation :

Answer: A) 27 7/9 mts Explanation: Relative speed = (40 - 20) km/hr = 20 x 5 m/sec = 50 m/sec. 18 9  Length of faster train = 50 x 5 m = 250 m = 27 7 m. 9 9 9

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