By selling 150 mangoes, a fruit-seller gains the selling price of 5 mangoes. Find the gain percent?  Choose the correct choice from the following choices:
A) 3.4% B) 2.5% C) 2.1% D) 8.5% E) 2.4%
SP = CP + g   150 SP = 150 CP + 5 SP   145 SP = 150 CP   145 --- 5 CP   100 --- ? =&gt; 3.4%   3.4%nswer:3.4%
<result>A</result>
By selling 150 mangoes, a fruit-seller gains the selling price of 5 mangoes. Find the gain percent?