An article is bought for Rs.680 and sold for Rs.900, find the gain percent?
Choose the correct choice:  A) 33 1/8%  B) 33 8/3%  C) 33 1/3%  D) 32 6/17%  E) 32 1/3%
680---- 220   100 ---- ? =&gt; 32 6/17%   Answer: 32 6/17%
<result>D</result>
An article is bought for Rs.680 and sold for Rs.900, find the gain percent?