A trader marks his goods 20% above the cost price. If he gives a discount of 10% on marked price, then find his gain percent.

Explanation

Given

Let CP`=Rs100`

MP`=(100+20)/100xx100)`

MP`=120`

SP`=MP-Discount`

SP`=120-10/100xx120`

SP`=120-10/100xx120`

SP`=108`

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