Question 101
A train running at the speed of 60 kmph crosses a 200 metre long platform in 27 seconds. What is the length of the train ?
Solution
Let the length of the train be S.
So, the total distance travelled by the train while crossing the platform is S+200.
The speed of the train is 60 Kmph and the time taken is 27 seconds.
The speed of the train in m/s is $$60*\frac{5}{18} = \frac{50}{3}$$ m/s
So, $$S+200 = \frac{50}{3}*27 = 450$$
Hence, S = 250 metres.
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