Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train?

A) 27 7/9 mts

B) 25 8/7 mts

C) 21 1/4 mts

D) 22 mts

View Answer
Option – A.