By selling 150 mangoes, a fruit-seller gains the selling price of 20 mangoes. Find the gain percent? Select the correct option:
A) 27%	B) 25%	C) 21%	D) 15%	E) 24%
SP = CP + g   150 SP = 150 CP + 20 SP   130 SP = 150 CP   130 --- 20 CP   100 --- ? =&gt; 15%   Answer:15%
<result>D</result>
By selling 150 mangoes, a fruit-seller gains the selling price of 20 mangoes. Find the gain percent?