Find the Cost Price, If: S.P. = Rs. 21 and Gain = 5% - Mathematics

Find the cost price, if: S.P. = Rs. 21 and gain = 5%

Sum

S.P. = Rs. 21 and gain = 5%

∴ C.P. = `("S.P." xx 100)/(100 + "gain %")`

`= (21 xx 100)/(100 + 5)`

`= (21 xx 100)/105` = Rs. 20

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Concept for Application to Profit and Loss (Single Transaction Only)

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Chapter 9: Profit, Loss and Discount - Exercise 9 (B)

Chapter 9 Profit, Loss and Discount
Exercise 9 (B) | Q 1.1

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