What is the Length of Train in Meters?

The length of the train and that of a platform are equal. If with the speed of 90 km/hr. the train crosses the platform in 1 minute, the length of the train in meters is

  1. 575
  2. 650
  3. 750
  4. 800
Monis Rasool Professor Asked on 23rd May 2015 in Maths.
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1 Answer(s)

Answer: (c) 750m
Explanation:-

Given –   The length of the train = length of platform = X m
and speed of train = 90km/hr
taken time by train across the platform = 1min

Speed into m/sec = 90 x 5/18 = 25m/sec
and time in sec = 1 x 60 = 60 sec.

Distance = speed x time

According to question,

2X = 25 x 60 = 1500
X = 1500/2 = 750m

Hence, the length of the train is 750m

Anurag Mishra Professor Answered on 23rd May 2015.
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