Mathematics · Percentage
यदि पेट्रोल की कीमत में 11% की वृद्धि होती है, तो एक उपभोक्ता को अपनी खपत में कितने प्रतिशत की कमी करनी चाहिए ताकि पेट्रोल पर कुल व्यय अपरिवर्तित रहे? (दशमलव के तीन स्थानों तक गणना करें)
- 19.991%
- 29.891%
- 39.900%
- 49.909%✓
सही उत्तर देखें
9.909%
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