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

An article is sold for ₹ 555 at a loss of 712%. The cost price of the article is ________

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Question

An article is sold for ₹ 555 at a loss of `7 1/2%`. The cost price of the article is ________

Fill in the Blanks
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Solution

₹ 600

Explanation;

Hint:

Given selling price is ₹ 555 and loss `7 1/2%`

as per formula

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

by substituting, we get

555 = `((100 - 7 1/2))/100  xx "C.P"`

∴ 555 = `(100 - 15/2)/100 xx "C.P"`

= `((200 - 15)/2)/100 xx "C.P"`

555 = `(185/2)/100 xx "C.P"`

∴ C.P = `(555 xx 100)/(185/2)`

= `(555 xx 100)/185 xx 2`

= ₹ 600

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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 1. (iii) | Page 131

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