An article is bought for Rs.700 and sold for Rs.900, find the gain percent? Choose the correct option:	A) 33 1/8%	B) 33 8/3%	C) 28 4/7%	D) 35 1/3%	E) 32 1/3%
700 ---- 200   100 ---- ? =&gt; 28 4/7%   Answer: 28 4/7%
<result>C</result>
An article is bought for Rs.700 and sold for Rs.900, find the gain percent?