- Option : A
- Explanation :
**Hint:**Original CP can be calculated first, that is Rs 50000.

Then CP increases by 5%. Same amount of profit can be added to it, and then percentage calculated on it.

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- Option : C
- Explanation : Cost Price = (1680/84) X 100 = Rs 2000

Marked price = 2000 X (115%/92%) = Rs 2500

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