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

[EX Q]: Problem: one fast typist type some matter in 4 hrs and another slow typist type the same matter in 6 hrs . if both do combine in how much time they will take to finish .
[EX A]: 2 hr 24 mins

[EX Q]: Problem: if 2 men or 3 women can reap a field in 10 days how long will 4 men and 5 women take to reap it ?
[EX A]: 11 / 30

[EX Q]: Problem: find value for x from below equation ? x + 1 = - 4
[EX A]:
- 5