Question
Download Solution PDFచక్కెర ధర 30% పెరిగింది. ఖర్చు పెరగకుండా ఉండాలంటే సీత తన వినియోగాన్ని ఎంత శాతం తగ్గించుకోవాలి?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఇచ్చినది:
చక్కెర ధరలో పెరుగుదల % = 25%
ఉపయోగించిన సూత్రం:
ఖర్చు = ధర × పరిమాణం
గణన:
చక్కెరపై ప్రాథమిక ఖర్చులు రూ.100
ఇప్పుడు, ధర 30% పెరిగింది
కొత్త ధర = (100 + 100 × 30%) = 130
ఖర్చు మారకుండా ఉండాలంటే రూ.130 నుంచి రూ.30 తీసివేయాలి.
⇒ 130 - 30 = 100
∴ వినియోగంలో తగ్గుదల = 30/130 × 100 = \(23\frac{1}{13}\%\)
Shortcut Trick
100 → + 30% → 130 _____ - Y% → 100
ఇప్పుడు, Y = 30/130 × 100 = \(23\frac{1}{13}\%\)
Last updated on Jun 26, 2025
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