# Remi earns a profit of 20% on selling an article at a certain price If she sells the articles for Rs. 8 more, she will gain 30% What is the original c

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Remi earns a profit of 20% on selling an article at a certain price If she sells the articles for Rs. 8 more, she will gain 30% What is the original cost price of 16 such articles?
1. Rs. 1,200
2. Rs. 1,120
3. Rs. 1, 152
4. Rs. 1,280

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Correct Answer - Option 4 : Rs. 1,280

Given:

Profit = 20%

New profit if sells Rs. 8 more = 30%

Concept used:

Selling price = (100 + Profit)% of C.P.

Calculation:

Let the C.P. of an article be Rs. x.

According to the question,

120% of C.P. + 8 = 130% of C.P.

⇒ 130% of x – 120% of x = 8

⇒ 10% of x = 8

⇒ 10/100 × x = 8

⇒ x = 80

Original C.P. of 16 article = 16x

⇒ Required C.P. = 16 × 80

⇒ Required C.P. = Rs. 1280

The original cost price of 16 such articles is Rs. 1280.