AP ICET 2016 Paper

Question : 108 of 200

Marks: +1, -0

A train crosses an electric pole in 15 seconds, and a platform of length 100 metres in 25 seconds. Then the length of the train (in metres) is

Solution:

Let the length of the train be l metres.
Equating the speed of the train in two cases, we can write

{l+100}/25=l/25

⇒15l+1500=25l

⇒l=150

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