Question

if a train running at 75km per hour crosses a man walking in the same directions at a speed of 10km/hr in 6 seconds .what will be the length of the train ?​

Answer 1

Refer To attachment.

Since Man was Walking With 10 km/h in 6 Seconds He cover Certain Distance.

And Train Then Crosses Man At his Final Distance.

If Man Stand at Place Train would Earlier Crossed him.

So

Length of Train=Distance Travel by train in 6 seconds-Distance Travel by Man in 6 seconds.

$\boxed{\mathtt{\huge{Length=169.44\:m}}}$