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

[EX Q]: Problem: a cycle is bought for rs . 900 and sold for rs . 1170 , find the gain percent ?
[EX A]: 30 %

[EX Q]: Problem: a contractor undertook to do a piece of work in 18 days . he employed certain number of laboures but 9 of them were absent from the very first day and the rest could finish the work in only 6 days . find the number of men originally employed ?
[EX A]: 4.5

[EX Q]: Problem: a numberais squared and then multiplied by negative 3 . the result of this operation r is equal to 3 times the sum of 3 timesaand two . what is one possible value ofa ?
[EX A]:
- 2