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Find the M.P. if S.P. = Rs 9,250 and discount = 712%

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Question

Find the M.P. if S.P. = Rs 9,250 and discount = `7 1/2%`

Sum
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Solution

Selling price (SP) = Rs 9250

Discount % = `7 1/2% = 15/2%`

Let marked price be Rs x.

∴ Selling price = `"Marked price" - ("Discount" %)/100 xx "MP"`

⇒ `9250 = x - 15/(2 xx 100) xx x`

⇒ `9250 = (200x - 15x)/200`

⇒ `9250 = (185x)/200`

⇒ `x = (9250 xx 200)/185`  ...[By cross-multiplication]

⇒ `x = 1550000/185 = Rs 10000`

Hence, the market price = Rs 10000.

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Chapter 9: Comparing Quantities - Exercise [Page 293]

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NCERT Exemplar Mathematics Exemplar [English] Class 8
Chapter 9 Comparing Quantities
Exercise | Q 69. (b) | Page 293

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