Question

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.

23 m

b.

23
2
m


9

c.

27
7
m


9

d.

29 m

Answer: (c).27
7
m


9

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Q. 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...

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