Two trains are moving in the same direction at 72 kmph and 36 kmph The faster train crosses a girl s...........

Quantitative Aptitude ( CCS) Problems on trains

Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a girl sitting at window seat in the slower train in 32 seconds. Find the length of the faster train ?

170m

200m

300m

320m

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Explanation:

Relative speed = (72 - 36) x 5/18 = 2 x 5 = 10 mps.
Distance covered in 32 sec = 32 x 10 = 320 m.

The length of the faster train = 320 m.

Hence, option 4 is the correct answer.

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