A man sells two wrist watches one at a profit of `10%` and another at a loss of `10%`, but the selling price of each watch is ₹ 200. Find the: percentage profit or loss

Explanation

To solve the problem step by step, we will find the cost price of each wristwatch, calculate the total cost price, and then determine the overall profit or loss percentage.

### Step 1: Calculate the Cost Price of the First Watch
- The selling price (SP) of the first watch is ₹200.
- The profit percentage is 10%.
- The formula for selling price when there is a profit is:
\[
SP = CP \times \left(1 + \frac{Profit\%}{100}\right)
...