Two trains are running at a speed of 50 km and 30 km per hour respectively in the same direction. The train running at 50 km/hr. crosses a man in the other train in 18 seconds. Length of the faster train is


A) 120 m

B) 100 m

C) 90 m

D) 115 m

Correct Answer:
B) 100 m

Description for Correct answer:
d = \( \Large \left(50-30\right) \times \frac{5}{18} \times 18 \) = 100 m

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