Question

A train is moving and crossing a man who is running on a platform of 100 m at a speed of 8 kmph in the direction of the train, in 9 sec. If the speed of the train is 74 kmph. Find the length of the train ?
A) 202 mts
B) 188 mts
C) 165 mts
D) 156 mts

Answer 1

Hii dear Here is ur answer



Option d is the right answer


Hope its help u

Answer 2

 C) 165 mts 


Solution-:

Let the length of the train = L mts

Relative speed of train and man = 74 - 8 = 66 kmph = 66 x 5/18 m/s

$= > 66 \times \frac{5}{18} = \frac{l}{9} \\ \\ = > l = 165mts$