Find the Length of the Faster Train.

Two trains are travelling in the same direction with speed of 30 km/hr. and 58 km/hr. respectively. A man in slower train passes the faster train in 18 sec. Find the length of the faster train.

  1. 70 m
  2. 140 m
  3. 100 m
  4. 120 m
Monis Rasool Professor Asked on 23rd May 2015 in Maths.
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  • 1 Answer(s)

    Answer: (b) 140 m
    Explanation:-
    Relative speed = 58- 30 = 28 km/hr
    Speed in m/sec = 28 x 5/18 = 140/ 18
    Length of the faster train = 140x 18/18
    = 140 mitres

    Anurag Mishra Professor Answered on 23rd May 2015.
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