Three articles are bought at ₹200 each. Oneof themis sold at a loss of 10%. If the other two articles are sold so as to gain 20% on the whole transaction, then what is the gain percent on the two articles?
Total cost price of the 3 articles = 600
To gain 20% on the whole, selling price should be $$\frac {120}{100} * 600$$ = 720
In one, there is a loss of 10 %, that means the selling price for the loss article is $$\frac{90}{100}*200$$ = 180.
Remaining price = 720 -180 = 540. total profit for two = 140
Hence profit for each = 70.
Hence percentage= $$\frac{70}{200}*100$$ = 35%
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