If a train running at 40 km/hr. passes a person riding parallel to the railway line in the same direction at 25 km/hr. in 48 seconds, then length of the train is

A) 200 m

B) 300 m

C) 400 m

D) 500 m

Correct answer:
A) 200 m

Description for Correct answer:
Therefore, d = \( \Large 15 \times \frac{5}{18}  \times 48 \) sec. = \( \Large 5 \times 5  \times 8 \) = 200m


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