Two trains of equal length running in opposite directions pass a pole in 18 and 12 seconds The train...........

Quantitative Aptitude(IBPS RRB PO) Problems on trains

Two trains of equal length , running in opposite directions , pass a pole in 18 and 12 seconds. The trains will cross each other in

14sec

14.4sec

15sec

15.4sec

Let the length of the train be L metres

Speed of first train = 3600/18 x L m/hour

Speed of secxond train = 3600/12 x L m/hour

When running in opposite directions, relative speed = 200 L + 300 L m/hour

Distance to be covered = L + L = 2L metre

Time taken = 2L/500L x 3600 sec =14.4 sec

Hence, option 2 is the correct answer.

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