Question
Download Solution PDFपेट्रोल का मूल्य (प्रति लीटर) 50% बढ़ जाता है। इसकी खपत कितने प्रतिशत कम कर दी जानी चाहिए ताकि इस पर होने वाला खर्च केवल 14% बढ़े?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFप्रयुक्त सूत्र:
खपत में प्रतिशत कमी =
गणना:
मान लीजिए पेट्रोल का प्रारंभिक मूल्य ₹100 है और खपत 100 लीटर है।
प्रारंभिक व्यय = मूल्य × खपत
माना, कम हुई खपत x लीटर है।
नया व्यय = नई मूल्य × कम खपत
नया व्यय = प्रारंभिक व्यय का 114%
प्रारंभिक व्यय = 100 × 100 = ₹10,000
नया मूल्य = 100 + 50 = ₹150 प्रति लीटर
नया व्यय = ₹10,000 ×
नया व्यय = नई मूल्य × कम खपत
⇒ ₹11,400 = ₹150 × x
⇒ x =
खपत में प्रतिशत कमी:
⇒
⇒
⇒ 24%
∴ सही उत्तर विकल्प (2) है।
Last updated on Jun 26, 2025
-> The Staff Selection Commission has released the SSC GD 2025 Answer Key on 26th June 2025 on the official website.
-> The SSC GD Notification 2026 will be released in October 2025 and the exam will be scheduled in the month of January and February 2026.
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