By selling 150 mangoes, a fruit-seller gains the selling price of 30 mangoes. Find the gain percent?	Choose the correct answer.
A) 15%
B) 25%
C) 115%
D) 75%
E) 55%
Explanation:   SP = CP + g   150 SP = 150 CP + 30 SP   120 SP = 150 CP   120 --- 30 CP   100 --- ? =&gt; 25%   Answer: 25%
<result>B</result>
By selling 150 mangoes, a fruit-seller gains the selling price of 30 mangoes. Find the gain percent?