Multiple choice

What is the ratio between time taken by a train 120 meter long cross an pole and a bridge of 80 meter length?

  1. 5 : 3

  2. 3 : 2

  3. 3 : 5

  4. 5 : 6
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Time to cross a pole = Length of train/Speed = 120/v. Time to cross bridge = (Length of train + Length of bridge)/Speed = (120+80)/v = 200/v. The ratio is 120:200 which simplifies to 3:5.

Keep practicing — related questions