A man buys 100kg of sugar for Rs.2400. He sold 1/4th of the stock at a loss of 5%. At what percent profit should he sell the remaining stock so as to make an overall profit of 20% on the whole transaction?
A
25%
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B
2713%
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C
28%
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D
2813%
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Solution
The correct option is D2813%
Quantity of sugar =100kg
Cost of 100 kg sugar =Rs.2400
Sold (14)th quantity of sugar at a loss of 5%
14 of 2400=Rs.600
Cost of 25 kg sugar =Rs.600
Loss=C.P.−S.P.
Loss=5%of600=(600×5)100=Rs.30
S.P. of 25 kg sugar =600−30=Rs.570
Profit required on whole transaction = 20 % + loss to be recovered of Rs. 30
20 of 2400=Rs.480+Rs.30
Total profit required =Rs.510
C.P. of remaining quantity of sugar =2400−600=Rs.1800
Profit percent on whole transaction=(510×100)1800=510001800=28.33%≈2813%