An article is bought for Rs.600 and sold for Rs.900, find the gain percent?  Choices:  A) 50%  B) 63 1/3%  C) 33 1/3%  D) 93 1/3%  E) 33 1/3%
Explanation:   600 ---- 300   100 ---- ? =&gt; 50%   50%nswer:50%
<result>A</result>
An article is bought for Rs.600 and sold for Rs.900, find the gain percent?