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

[Q]: Problem: students at a school were on average 180 cm tall . the average female height was 170 cm , and the average male height was 182 cms . what was the ratio of men to women ?
[A]: 5 : 1


[Q]: Problem: if 5 % more is gained by selling an article for rs . 360 than by selling it for rs . 340 , the cost of the article is ?
[A]: 400


[Q]: Problem: a cistern is normally filled in 8 hrs , but takes 2 hrs longer to fill because of a leak on its bottom , if cistern is full , how much time citern would empty ?
[A]:
40 hours