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

[Q]: Problem: what decimal fraction is 90 ml of a litre ?
[A]: . 09


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


[Q]: Problem: a group of students decided to collect as many paise from each member of group as is the number of members . if the total collection amounts to rs . 4356 , the number of the member is the group is :
[A]:
66