Question

A train travelling at 78 km/hr crosses a girl sitting in a train of length 110 m travelling in the same direction at 42 km/hr in 20 seconds. The length of the faster train is​

Answer 1

Answer:

I do not this answers I need points sorry

Answer 2

Answer:

Let the length of faster train be x.

Relative time = Distance

Relative speed

20 = x/

(78-36)×5/18

200=18x/36

x= 200 m