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

If the profit earned on selling an article for ₹ 810 is the same as loss on selling it for ₹ 530, then find the cost price of the article.

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Question

If the profit earned on selling an article for ₹ 810 is the same as loss on selling it for ₹ 530, then find the cost price of the article.

Sum
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Solution

Case 1: Profit = Selling price (S.P) – Cost price (C.P)

Case 2: Loss = Cost price (C.P) – Selling price (S.P)

Given that profit of case 1 = loss of case 2

∴ P = 810 – C.P

L = C.P – 530

Since profit (P) = loss (L)

810 – C.P = C.P – 530

∴ 2C.P = 810 + 530 = 1340 

⇒ C.P = `1340/2`

∴ C.P = 670 

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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 3 | Page 131

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