Question
Download Solution PDFएक घनाभ की लंबाई और चौड़ाई में क्रमशः 20% और 25% की वृद्धि की जाती है, जबकि इसकी ऊँचाई में 30% की कमी की जाती है। घनाभ के आयतन में कुल प्रतिशत वृद्धि/कमी कितनी होनी चाहिए?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFगणना:
माना लंबाई, चौड़ाई और ऊँचाई के प्रारंभिक मान है
100, 100 और 100
परिवर्तन के बाद,
लंबाई = 120
चौड़ाई = 125
और ऊँचाई = 70
अब, प्रारंभिक आयतन = 1000000
और अंतिम आयतन
= 120 × 125 × 70
= 1050000
अब, प्रतिशत परिवर्तन
= (1050000 - 1000000) × 100/1000000
= 50000 × 100/1000000
= 5%
इसलिए, अभीष्ट मान 5% है।
Last updated on Jul 9, 2025
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