A train 150 m long passes a telegraph post in 12 seconds. How long will it take to cross a bridge 250 m long?

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

A20 seconds

B28 seconds

C32 seconds

D35 seconds

Explanation

Speed = 150 / 12 = 12.5 m/s. Total distance to cross bridge = 150 + 250 = 400 m. Time = 400 / 12.5 = 32 seconds.

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