A 250 m long train crosses a platform 350 m long in 30 seconds. What is the speed of the train in km/h?

Topic: Speed, Time &amp; Distance
Subtopic: Trains

A60 km/h

B72 km/h

C80 km/h

D90 km/h

Explanation

Total distance = 250 + 350 = 600 m. Speed in m/s = 600 / 30 = 20 m/s. Speed in km/h = 20 * (18 / 5) = 72 km/h.

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