Q1. If the price of an item increases by 20% and then decreases by 20%, the net change is:
- A. No change
- B. 4% decrease ✓
- C. 4% increase
- D. 2% decrease
Explanation: Net change = +20% then -20% of new = 0.8 × 1.2 = 0.96 → 4% decrease.
Topic: Percentages