. Ramesh bought an old car for ₹160500. He repaired it and sold it for ₹215000. If the repair cost is *5150, find his profit or loss percent.

To find Ramesh's profit or loss percentage, we first need to calculate the total cost price (including the repair cost) and then compare it to the selling price.

### Step 1: Calculate the Total Cost Price
Total Cost Price = Cost Price of the Car + Repair Cost

\[
\text{Total Cost Price} = ₹160500 + ₹5150 = ₹165650
\]

### Step 2: Calculate the Profit
Profit = Selling Price - Total Cost Price

\[
\text{Profit} = ₹215000 - ₹165650 = ₹49350
\]

### Step 3: Calculate the Profit Percentage
Profit Percentage is calculated using the formula:

\[
\text{Profit Percentage} = \left(\frac{\text{Profit}}{\text{Total Cost Price}}\right) \times 100
\]

\[
\text{Profit Percentage} = \left(\frac{₹49350}{₹165650}\right) \times 100 \approx 29.8\%
\]

### Final Answer:
Ramesh made a profit of approximately **29.8%**.

Would you like to see more details or have any further questions? 

Here are 8 related questions you might find useful:
1. How would the profit percentage change if the selling price was ₹200,000?
2. What is the loss percentage if the selling price was ₹160,000 instead?
3. How would you calculate the break-even selling price?
4. What if the repair cost was ₹10,000? How does it affect the profit percentage?
5. Can you calculate the profit in terms of percentage if the repair cost doubled?
6. What is the importance of knowing the cost price when calculating profit?
7. How would the calculation differ if Ramesh had a trade-in for the old car?
8. What happens to the profit percentage if the car is sold for the same price it was bought for?

**Tip:** Always ensure to include all additional costs (like repair costs) when calculating the total cost price before determining profit or loss.

Learn how to calculate profit percentage in a real-world scenario involving Ramesh's purchase, repair, and sale of a car. Understand the formula for profit percentage and step-by-step calculations. Suitable for students in Grades 7-9.

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