Aptitude & Reasoning
Quantitative Aptitude
Objective
Nov 23, 2012
A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is
Detailed Explanation
Assume that the length of train is x metres and speed y m/sec.
So x/y = 50
and (x + 100)/25 = x/15
x = 150 meter
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