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Question

A tradesman fixed the selling prices of goods at 30% above the cost price. he sells half of the stock at this price, one-quarter of his stock at a discount of 15% on the original selling price, and the rest at a discount of 30% on the original selling price. Find the gain per cent altogether.

A
1119%
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B
1379%
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C
1538%
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D
1758%
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Solution

The correct option is C 1538%
Lets the cost price 100 Item each 100 Rs
Then total cost =100×100=10000
Marked selling prices =100+30=130 Rs
Half item sells same price =50×130=6500 Rs
One fourth item on 15% discount =25×130×0.85=2762.50Rs
One fourth item on 30% discount =25×130×0.70=2275 Rs
Total selling price =6500+2762.50+2275=11537.50 Rs
Profit on sell =11537.5010000=1537.50 Rs
% of Profit =1537.50×10010000=1538%

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