Mathematical Puzzles
Hard
2 min
A price is increased by 20% and then decreased by 20%. What is the overall percentage change?
Hint
Use an original price of 100.
Answer
A decrease of 4%.
Explanation
Starting with 100, a 20% increase gives 120. Reducing 120 by 20% gives 96. The final price is 4% below the original.
Step-by-Step Solution
100 → 120 after +20%.
120 → 96 after -20%.
Change = -4%.
120 → 96 after -20%.
Change = -4%.