Multiple choice

Find the time taken by a train 340 meter long running at 64 km/h to cross another train 325 meter long coming from opposite direction at a speed of 62 km/h. (in seconds)

  1. 12

  2. 24

  3. 19

  4. 17

  5. None of these

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

Total distance to cover = 340 + 325 = 665 m. Relative speed = 64 + 62 = 126 km/h = 126 × (5/18) = 35 m/s. Time = Distance/Speed = 665/35 = 19 seconds.