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Renu sold an article at a loss of 8 percent. Had she bought it at 10% less and sold for Rs.36 more; she would have gained 20%. Find the cost price of the article. - Mathematics

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Question

Renu sold an article at a loss of 8 percent. Had she bought it at 10% less and sold for Rs.36 more; she would have gained 20%. Find the cost price of the article.

Sum
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Solution

Let C.P. of the article = Rs.100

In the I case :

When loss = 8%

S.P. = Rs. (100 − 8) = Rs.92

In the II case :

C.P. =`(100-10/100xx100)`

= Rs.(100 − 10) = Rs.90

Profit = 20%

S.P. =`(100+20)/100xx"C.P."`

`=120/100xx"Rs."90`

= Rs.12 × 9

= Rs.108

Difference of two selling prices

= Rs.108 − Rs.92 = Rs.16

If the difference between the two selling prices is Rs.16 then C.P. = Rs.100

If the difference between the two selling prices is Rs.1 then C.P. = Rs.` 100/16`

If the difference of two selling prcies is Rs.36 then C.P. = Rs. `100/16xx36`

= Rs.`(100xx36)/16`

= Rs.25 × 9

= Rs.225

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To Find C.P., When S.P. and Gain (Or Loss) Percent Are Given
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Chapter 8: Profit, Loss and Discount - Exercise 8 (C) [Page 95]

APPEARS IN

Selina Concise Mathematics [English] Class 8 ICSE
Chapter 8 Profit, Loss and Discount
Exercise 8 (C) | Q 11 | Page 95

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