By selling 50 meters of cloth. I gain the selling price of 15 meters. Find the gain percent?	Choose the correct choice from the following.
A) 32 6/7%	B) 22 6/7%	C) 72 6/7%	D) 42 6/7%	E) 12 6/7%
Explanation:   SP = CP + g   50 SP = 50 CP + 15 SP   35 SP = 50 CP   35 --- 15 CP gain   100 --- ? =&gt; 42 6/7%   Answer: 42 6/7%
<result>D</result>
By selling 50 meters of cloth. I gain the selling price of 15 meters. Find the gain percent?