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Thirty Articles Are Bought at Rs. 450 Each. If One-third of These Articles Be Sold at a 6% Loss; at What Price Must Each of the Remaining Articles Be Sold in Order to Make a Profit of 10% - Mathematics

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Question

Thirty articles are bought at Rs. 450 each. If one-third of these articles be sold at a 6% loss; at what price must each of the remaining articles be sold in order to make a profit of 10% on the whole?

Sum

Solution

C.P. of one article = ₹ 450

C.P. of 30 articles = ₹ 450 × 30 = ₹ 13500

C.P. of `1/3` articles = `₹450xx30/3`

= ₹ 4500

Loss of = 6%

∴ S.P. of 10 articles `=("C.P."xx(100-"Loss%"))/100`

`= ₹(4500 xx (100-6))/100`

`= ₹(4500 xx 94)/100`

= ₹ 4230

C.P. of remaining articles = ₹ 450 × 20

= ₹ 9000

Profit on the whole = 10%

∴ Total S.P. of 30 articles

`=₹(13500xx(100+10))/100`

`=₹(13500xx110)/100`

= ₹ 14850

∴ S.P. of the remaining 20 articles.

= ₹ 14850 − ₹ 4230 = ₹ 10620

∴ S.P. of 1 article = `₹10620/20` = ₹ 531

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Chapter 8: Profit, Loss and Discount - Exercise 8 (D) [Page 98]

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Selina Concise Mathematics [English] Class 8 ICSE
Chapter 8 Profit, Loss and Discount
Exercise 8 (D) | Q 13 | Page 98

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