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The marked price of an article is Rs 500. The shopkeeper gives a discount of 5% and still makes a profit of 25%. Find the cost price of the article.

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Question

The marked price of an article is Rs 500. The shopkeeper gives a discount of 5% and still makes a profit of 25%. Find the cost price of the article.

Sum
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Solution

Given, marked price of an article = Rs. 500 Discount % = 5%

But it makes a profit of 25%.

Let the cost price of the article be Rs. x.

Cost price after 5% discount = `500 - 5/100 xx 500`

= 500 – 25

= Rs. 475

According to the question,

(100 + 25)% of x = 475

⇒ `125/100 xx x = 475`  

⇒ `x = (475 xx 100)/125`

= 3.8 × 100

= Rs. 380

Hence, cost price of an article is Rs. 380.

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Chapter 9: Comparing Quantities - Exercise [Page 293]

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NCERT Exemplar Mathematics [English] Class 8
Chapter 9 Comparing Quantities
Exercise | Q 71. | Page 293

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