By selling 50 meters of cloth. I gain the selling price of 15 meters. Find the gain percent?  Choose the most appropriate option:
A) 35%
B) 30%
C) 40%
D) 42 6/7%
E) None of these
Explanation:   SP = CP + g   50 SP = 50 CP + 15 SP   35 SP = 50 CP   35 --- 15 CP gain   100 --- ? =&gt; 42 6/7%   Answer IS 42 6/7%
<result>D</result>
By selling 50 meters of cloth. I gain the selling price of 15 meters. Find the gain percent?