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

Find the unknowns x, y and z. Name of the item Marked Price Selling Price Discount Book ₹ 225 x 8% - Mathematics

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Question

Find the unknowns x, y and z.

Name of the item Marked Price Selling Price Discount
Book ₹ 225 x 8%
Sum
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Solution

Book marked price = ₹ 225 discount 8%

∴ Selling price (x) = `"Marked price" xx (((100 - "d"%))/100)`

= `225 xx ((100 - 8))/100`

= `225 xx 92/100`

= ₹ 207

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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 7. (i) | Page 131

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