Multiple choice

A train of length 80 m is moving with a uniform velocity of 25 m/sec. The time taken by the train to cross a bridge 120 m long is

  1. 3.2 sec

  2. 4.8 sec

  3. 8 sec

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The total distance to cover is the length of the train plus the length of the bridge: 80 + 120 = 200 m. Time = Distance / Velocity = 200 / 25 = 8 seconds.

AI explanation

To cross the bridge, the train must cover its own length plus the length of the bridge, making the total distance 80 + 120, which equals 200 meters. Using the formula time equals distance divided by speed, we get 200 divided by 25. The time taken is 8 seconds.

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