Multiple choice

A train takes 8 seconds to pass a pole when it runs at a speed of 36 km/hr. Find the length of the train in metres.

  1. 288 m

  2. 80 m

  3. 144 m

  4. 40 m
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Speed = 36 km/hr = 10 m/s. Length = Speed * Time = 10 m/s * 8 s = 80 m.

AI explanation

When a train passes a pole, the distance it covers equals its own length. The speed of 36 km/hr is converted to metres per second by multiplying by 5/18, resulting in 10 m/s. The length of the train is speed multiplied by time, which is 10 multiplied by 8. The length of the train is 80 m.

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