A 50-metre long train passes over a bridge at the speed of 30 km per hour. If it takes 36 seconds to cross… · ABC26GN3874

Subject: General Aptitude · Chapter: Problems on Trains · Exam: P.C.S. 2009

A 50-metre long train passes over a bridge at the speed of 30 km per hour. If it takes 36 seconds to cross the brige, what is the length of the bridge?

(a)200 metres

(b)250 metres

(c)300 metres

(d)350 metres

Answer

Answer (as printed): B

Explanation

Speed $=\left(30 \times \frac{5}{18}\right) \mathrm{m} / \mathrm{sec}=\left(\frac{25}{3}\right) \mathrm{m} / \mathrm{sec}$.

Explanation as extracted from the printed page; notation may be imperfect.

Study loop for Problems on Trains

1. Practise the PYQsPrevious-year questions, with answers

· Browse this chapter in the app