- 0%
- 5%
- 10%
- 15%

Option 1 : 0%

**Given:**

The shopkeeper an article at 10% discount

**Calculation:**

Let us assume the marked price of the article is M and the cost price of the article is C.

⇒ C × (1.17) = 0.9M

⇒ The after required discount selling price = 1.3C

⇒ 1.3 × (0.9M/1.17) = M

⇒ Hence, the article should be sold at a marked price to gain 30% profit

**∴ The required result will be 0%.**

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