How long time in seconds will a 450 metre long train takes to cross a girl walking with a speed of 5...........

Quantitative Aptitude ( CCS) Problems on trains

How long (time in seconds) will a 450 metre long train takes to cross a girl walking with a speed of 5 km/hr in the direction of the moving train ? The speed of the train is 65km/hr.

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Explanation:

Relative speed = 65 – 5 = 60 kmph
= 60 × 5/18 m/sec. = 50/3 m/sec.
∴ Require time = 450/(50/3) = 450 × 3/50
= 27 seconds

By: Pranav Gupta

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How long time in seconds will a 450 metre long train takes to cross a girl walking with a speed of 5...........

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