Problems on Trains - Arithmetic Aptitude Questions and Answers

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A train speeds past a pole in 15 sec and a platform 100 m long in 25 sec, its length is?

50 m

150 m

200 m

None of these

Answer : Option B

Explanation :

Let the length of the train be x m and its speed be y m/sec.

Then, x/y = 15 => y = x/15

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