Percentage practice question for Railways, SSC. Review the correct answer and explanation, then continue with related practice below.
The price of petrol rises by 20%. A person wants his expenditure on petrol to increase by only 8%. By what percentage should he reduce consumption?
पेट्रोल की कीमत में 20% की वृद्धि होती है।
एक व्यक्ति चाहता है कि पेट्रोल पर उसका खर्च केवल 8% बढ़े।
उसे खपत में कितने प्रतिशत की कमी करनी चाहिए?
Answer and explanation are free to read — no sign-in required.उत्तर और व्याख्या पढ़ने के लिए साइन-इन आवश्यक नहीं है।
Correct Answerसही उत्तर
C. 10% / 10%
Explanationव्याख्या
Price factor = 1.20 and expenditure factor = 1.08.
Consumption factor = 1.08
1.20 = 0.90.
Hence consumption must be reduced by 10%.
कीमत का गुणक 1.20 और खर्च का गुणक 1.08 है।
खपत = 1.08
1.20 = 0.90, अतः 10% कमी करनी होगी।
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