A train 180 m long passes a telegraph pole in 9 seconds. What is its speed in km/h?

A54 km/h

B60 km/h

C72 km/h

D80 km/h

Explanation

Speed in m/s = 180 / 9 = 20 m/s. Speed in km/h = 20 * (18 / 5) = 72 km/h.

Exam Relevance

Topic: Speed, Time & Distance
Subtopic: Trains

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