Question
Download Solution PDFसेब के मूल्य में 20% की वृद्धि की जाती है और फिर 20% की कमी की जाती है। शुद्ध प्रतिशत कमी कितनी है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
सेब के मूल्य में 20% की वृद्धि की जाती है और फिर 20% की कमी की जाती है।
गणना:
मान लीजिये कि सेब का मूल्य 100 रुपये है।
वृद्धि के बाद यह 100 × 120% हो जाता है।
⇒ 120 रुपये
घटने के बाद यह 120 × 80% है।
⇒ 96 रुपये
इसलिए, कमी = 100 - 96
⇒ 4 रुपये
कमी % = (4/100) × 100
⇒ 4%
∴ शुद्ध प्रतिशत में कमी 4% है।
Shortcut Trick
तो, कुल% कमी 1/25 x 100 = 4% है।
Last updated on Jul 2, 2025
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