The price of an item first increases by 20% and the decreases by 20% from the new price. What is the net percentage change in the original price of the item?
The price of an item first increases by 20% and the decreases by 20% from the new price. What is the net percentage change in the original price of the item?
किसी वस्तु का मूल्य पहले 20% बढ़ाया जाता है और फिर नई कीमत पर 20% कम कर दिया जाता है। वस्तु के मूल मूल्य में कुल प्रतिशत परिवर्तन क्या होगा?
Detailed Solution & Logic
Correct Answer:
-4%
Assume original price = 100
After 20% increase:
$100 \times 1.2 = 120$
After 20% decrease:
$120 \times 0.8 = 96$
So, final price = 96
Net change = 100 → 96 = decrease of 4
Percentage change:
$ \frac{4}{100} \times 100 = 4% $
Answer: 4% decrease
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