How many seconds will a 220 metre long train take to cross a man running with a speed of 8 km/hr in ...

How many seconds will a 220 metre long train take to cross a man running with a speed of 8 km/hr in the direction of the moving train if the speed of the train is 80 km/hr?

Quiz

Answer/Solution

11

Steps/Work

Explanation :
Speed of train relatively to man = ( 80 - 8)km/hr
= 72 km /hr
= (72 x 5 / 18)m/sec
= 20 m/sec
Time taken to pass the man = (220 / 20)sec = 11 sec.
Answer : D

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How many seconds will a metre long train take to cross a man running with a speed of km / hr in the direction of the moving train if the speed of the train is km / hr?

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