1. A person sells half of his goods at 20% profit and remaining half at 30% profit. What is his overall gain per cent in the whole transaction ?
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By: anil on 05 May 2019 01.22 am
Let the person has 2 goods and cost price of each good = Rs. 100 => Total C.P. = Rs. 200 S.P. of 1st good = $$frac{120}{100} imes 100$$ = Rs. 120 S.P. of 2nd good = $$frac{130}{100} imes 100$$ = Rs. 130 => Total S.P. = 120 + 130 = Rs. 250 $$ herefore$$ Overall profit % = $$frac{250 - 200}{200} imes 100$$ = 25 %
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