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## A trader marks his goods 40% above the cost price and gives a discount of 20% on the marked price.Find his gain percent.

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A trader marks his goods 40% above the cost price and gives a discount of 20% on the marked price.Find his gain percent.

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Mathematics
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2021-07-21T02:09:43+00:00
2021-07-21T02:09:43+00:00 1 Answers
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## Answers ( )

Given:–•A trader marks his goods 40% above the cost price.

•He gives a discount of 20% on the marked price.

ToFind:–•Find his gain percent.

Solution:–Let consider the cost price be x rupees and marked price be x+40%.

Then,

UsingFormula:Now substitute the values

Hence,marked price is 7x/5 rupees.

Discount% = 20%

Now we have to use the formula of Selling Price

UsingFormula:Now substitute the values,

Hence,Selling Price is 28x/25 rupees.

Now find profit

UsingFormula:Now substitute the values

Hence,Profit is 3x/25rupees.

Now find Profit%

UsingFormula:Now substitute the values

Hence，profit percent is 12%.