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### Question

Mr. X purchased a machine at a cost of Rs. 3100. After spending Rs. 1000 on its repairs, he sells it at a price of Rs 4838. What is the profit percentage?

**A**

18%.

**B**

19%.

**C**

17%.

**D**

20%.

**Soln.**

**Ans: a**

The profit is sale price - total cost = $4838 - (3100 + 1000)$ = 738. Percent profit is ${738/4100} × 100$, which gives 18%.