by selling 100 mangoes ,a fruit seller gains the s. p of 20 mangoes. find his gain%
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let the price of 1 mango be x
selling price of 100 mangoes is 100*x
gain I.e profit after selling is 20*x
percentage of gain we have to find cp
cp= sp-profit=,100x-20x
therefore %gain/cp*100
(28/100).100
%gain=25%
selling price of 100 mangoes is 100*x
gain I.e profit after selling is 20*x
percentage of gain we have to find cp
cp= sp-profit=,100x-20x
therefore %gain/cp*100
(28/100).100
%gain=25%
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