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A Shopkeeper Allows a Discount of 12.5% on the Marked Price and Makes a Profit of 20%. If the Cost Price is Rs.4200, What Should Be the Marked Price? - Mathematics

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Question

A shopkeeper allows a discount of 12.5% on the marked price and makes a profit of 20%. If the cost price is Rs.4200, what should be the marked price?

Sum
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Solution

Given, C.P. = Rs.4200
Profit = 20%
`"S.P."/"C.P." = 1 + "gain"/(100)`

⇒ `"S.P."/(4200) = 1 + (20)/(100)`

⇒ S.P. = `4200 xx (120)/(100) `
= Rs.5040
Now, S.P. = Rs.5040
Discount = 12.5%
`"S.P."/"M.P." = 1 - "discount"/(100)`

⇒ `(5040)/"M.P." = 1 - (12.5)/(100)`

⇒ M.P. = `(100)/(87.5)` x Rs.5040
= Rs.5760.

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Chapter 2: Profit , Loss and Discount - Exercise 2.4

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Frank Mathematics [English] Class 9 ICSE
Chapter 2 Profit , Loss and Discount
Exercise 2.4 | Q 12

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