D = 120 + 150 = 270
S = 36 * 5/18 = 10 mps
T = 270/10 = 27 sec
How many seconds will a train 120 meters long take to cross a bridge 150 meters long if the speed of the train is 36 kmph?

  * 27 sec
  * 23 sec
  * 24 sec
  * 25 sec
  * 26 sec