WBCS.LIVE practice question

A train 150 meters long is running at a speed of 54 km/hr. How much time will it take to cross a pole?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 10 seconds
  2. 12 seconds
  3. 15 seconds
  4. 20 seconds

Correct answer and explanation

Correct answer: 10 seconds

Explanation: āœ… Correct Answer: (A) 10 seconds šŸ“š Explanation: Step-1: Convert the speed from km/hr to m/s. Speed = 54 x (5/18) = 3 x 5 = 15 m/s. Step-2: When a train crosses a pole, the distance to be covered is equal to the length of the train. Distance = 150 meters. Step-3: Time = Distance / Speed = 150 / 15 = 10 seconds.