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# A Man Bought an Article for Rs X and Sold It for Rs 16. If His Loss Was X per Cent, Find the Cost Price of the Article. - ICSE Class 10 - Mathematics

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#### Question

A man bought an article for Rs x and sold it for Rs 16. If his loss was x per cent, find the cost price of the article.

#### Solution

C.P. of the article = Rs x

S.P. of the article = Rs 16

Loss = Rs (x – 16)

We know:

Loss% = "Loss"/"CP" xx 100

:. x = (x - 16)/x xx 100

x^2 = 100x - 1600

x^2 - 100x + 1600 = 0

(x - 80)(x - 20) = 0

x = 80, 20

Thus, the cost price of the article is Rs 20 or Rs 80.

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#### APPEARS IN

Selina Solution for Selina ICSE Concise Mathematics for Class 10 (2018-2019) (2017 to Current)
Chapter 6: Solving (simple) Problems (Based on Quadratic Equations)
Ex.6C | Q: 8

#### Video TutorialsVIEW ALL [5]

Solution A Man Bought an Article for Rs X and Sold It for Rs 16. If His Loss Was X per Cent, Find the Cost Price of the Article. Concept: Quadratic Equations.
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