Problems on Trains - Arithmetic Aptitude Questions and Answers

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At what time will the train reach city X from city Y?

I. The train crosses another train of equal length of 200 metres and running in opposite directions in 15 seconds.

II. The train leaves city Y at 7.15 a.m. for city X situated at a distance of 558 km.

III. The 200 metres long train crosses a signal pole in 10 seconds.

I only

II only

III only

II and III only

All I, II and III are required.

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II gives, speed =\(\frac { 200 } { 10 } m/sec = 20 m/sec = (20\times\frac{18}{5})km/hr\)

III gives, time taken = \( (\frac { 558 } { 72 } ) hrs = \frac{31}{4}hrs =7 \frac{3}{4}hrs =7 hrs 45 min.\)