Quantitative Aptitude :: Problems on Trains - Discussion
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A 120 m long train is running at 72 Kmph. How much time will it take to cross a man standing on the platform?
Formula Used: Time = ( Distance / Speed)
As all the option given in sec., so convert the train speed (Kmph) in to mps multiply by 5/18
speed (mps) = 72 * 5/18 = 20 mps
Time = (120 / 20) sec = 6 sec
Time take by Train = 6 Sec.