A dealer purchases 12 apples for Rs 10 and sells 10 apples for Rs 12. His gain percentage is :
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8
120 %
depend on Quantity of Apples
depend on Quantity of Apples
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51
In this question we should take note that only 10 apples were sold.
In this case we need to find the buying price of the 10 apples.
Buying price of 12 apples = Rs 10
Buying price of 1 apple = 10 / 12 = rs 5/6
Buying price of 10 apples = 5/6 × 10 = 50/6 = 25/3
Profit = 12 - 25/3 = 11/3
% profit = 11/3 × 3/25 × 100% = 11/25 × 100% = 44%
44% = profit
In this case we need to find the buying price of the 10 apples.
Buying price of 12 apples = Rs 10
Buying price of 1 apple = 10 / 12 = rs 5/6
Buying price of 10 apples = 5/6 × 10 = 50/6 = 25/3
Profit = 12 - 25/3 = 11/3
% profit = 11/3 × 3/25 × 100% = 11/25 × 100% = 44%
44% = profit
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