A cycle is bought for Rs.900 and sold for Rs.990, find the gain percent?  Pick one
A) 39% B) 20% C) 23% D) 74% E) 10%
900 ---- 90   100 ---- ? =&gt;   10%   Answer:10%
<result>E</result>
A cycle is bought for Rs.900 and sold for Rs.990, find the gain percent?