A cycle is bought for Rs.930 and sold for Rs.1210, find the gain percent?	Choose the correct choice from the following answers:
A) 70 %	B) 30 %	C) 40 %	D) 50 %	E) 80 %

Rationale: "explanation : 930 - - - - 280 100 - - - - ? = > 30 % answer : b"
Answer: B