The task is to generate the correct answer for a given math problem.

[EX Q]: Problem: a train 200 m long can cross an electric pole in 5 sec and then find the speed of the train ?
[EX A]: 144

[EX Q]: Problem: a train running at the speed of 40 km / hr crosses a pole in 9 seconds . what is the length of the train ?
[EX A]: 100 meter

[EX Q]: Problem: a train 250 m long is running at a speed of 45 km / hr . in what time will it pass a bridge 150 m long ?
[EX A]:
32 sec