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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 8

If selling an article for ₹ 820 causes 10% loss on the selling price, then find its cost price. - Mathematics

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Question

If selling an article for ₹ 820 causes 10% loss on the selling price, then find its cost price.

Sum
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Solution

Given that selling price (S.P) = ₹ 820

Loss % = 10%

As per formula S.P = `C.P xx ((100 - "loss"%))/100`

∴ Substituting in formula, we get

820 = `C.P xx ((100 - 10)/100)`

820 = `C.P xx ((90)/100)`

∴ C.P = `(820 xx 100)/90`

= 911.11

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Chapter 4: Life Mathematics - Exercise 4.2 [Page 131]

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Samacheer Kalvi Mathematics [English] Class 8 TN Board
Chapter 4 Life Mathematics
Exercise 4.2 | Q 2 | Page 131

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