Question
The cost price of an article is ₹520. Some part of it
is sold at 16% loss and the remaining part at some profit %. In this transaction, there is a profit of 4% on the whole. The ratio of the amount of parts sold at 16% loss and some profit% is 3:5. Find the profit% on the second part.Solution
Let the profit% on the second part be x%. By the rule of allegation: Loss profit -16 x 4 x - 4 4 - (-16) = 20 Ratio at 16% loss to x% profit = 3:5 ⇒ (x - 4)/20 = 3/5 ⇒ 5x - 20 = 60 ⇒ x = 80/5 = 16%
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