Same selling price, x% gain and x% loss

Example 1 · level 1

Priya sold two mobile phones for the same price. On one there was a gain of 10% and on the other a loss of 10%. What is the overall result?

1. 1% loss
2. 1% gain
3. 2% loss
4. No profit, no loss

Example 2 · level 2

Vihaan sold two TV sets for the same price. On one there was a gain of 25% and on the other a loss of 25%. What is the overall result?

1. 2.5% loss
2. No profit, no loss
3. 6.25% loss
4. 6.25% gain

Example 3 · level 3

Diya sold two scooters for ₹1,980 each, gaining 10% on one and losing 10% on the other. Find the overall loss in rupees.