An article is bought for Rs.675 and sold for Rs.810, find the gain percent?	Choose the most appropriate option:
A) 33 1/9% B) 33 8/3% C) 20% D) 33 2/3% E) 33 1/2%
675 ---- 135   100 ---- ? =&gt; 20%   Answer: 20%
<result>C</result>
An article is bought for Rs.675 and sold for Rs.810, find the gain percent?