Multiple choice

A train, 120 m. long, take 6 seconds to pass a telegraph post, the speed of the train is -

  1. 72 km./hr.

  2. 62 km./hr.

  3. 55 km./hr.

  4. 85 km./hr.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Speed = distance/time. Train covers its own length (120 m) in 6 seconds. Speed in m/s = 120/6 = 20 m/s. Convert to km/hr: 20 × 18/5 = 72 km/hr. Option B (62), C (55), and D (85) are incorrect.