ABC26GN3884 · Problems on Trains

Subject: General Aptitude · Chapter: Problems on Trains · Exam: 2005 · Marks: · Difficulty:

The time taken by a train 180 m long, travelling at 42 kmph, in passing a person walking in the same direction at 6 kmph, will be

(a)18 sec

(b)21 sec

(c)24 sec

(d)25 sec

Answer

Answer (as printed): A

Explanation

Speed of train relative to man = (42-6) kmph = 36 kmph $$=\left(36 \times \frac{5}{18}\right) \mathrm{m} / \mathrm{sec}=10 \mathrm{m} / \mathrm{sec} .$$

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