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

[EX Q]: Problem: if there are 200 questions in a 3 hr examination . among these questions are 100 type a problems , which requires twice as much as time be spent than the rest of the type b problems . how many minutes should be spent on type a problems ?
[EX A]: 120 mi

[EX Q]: Problem: what is the diagonal of a square field whose perimeter is 64 m ?
[EX A]: 16 √ 2 m

[EX Q]: Problem: a train 300 m long can cross an electric pole in 20 sec and then find the speed of the train ?
[EX A]:
54