एक व्यक्ति की मासिक आय 12,000 रुपये थी और उसका मासिक खर्च 8,000 रुपये था। अगले वर्ष, उसकी आय 10% और व्यय 8% बढ़ गया। उसकी बचत में प्रतिशत वृद्धि ज्ञात कीजिए।

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SSC CGL 2023 Tier-I Official Paper (Held On: 21 Jul 2023 Shift 1)
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  1. 10%
  2. 14%
  3. 12%
  4. 15%

Answer (Detailed Solution Below)

Option 2 : 14%
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दिया गया है:

मासिक आय = 12,000 रुपये

मासिक व्यय = 8,000 रुपये

एक वर्ष के बाद आय में वृद्धि = 10%

एक वर्ष के बाद व्यय में वृद्धि = 8%

प्रयुक्त संकल्पना:

नई राशि = मूल राशि + मूल राशि का प्रतिशत

बचत = आय-व्यय

गणना:

वृद्धि से पहले बचत = 12000 – 8000 = 4,000 रुपये

एक वर्ष के बाद आय में वृद्धि = 12000 + 12000 का 10%

आय में वृद्धि = 12000 + 120012100×12000  = 12000 + 1200 = 13200 रुपये

व्यय में वृद्धि = 8000 + 8000 का 8%

व्यय में वृद्धि = 8000 + 640 = 8640 रुपये

वृद्धि के बाद बचत = 13200 – 8640 = 4560 रुपये

बचत में वृद्धि = 4560 – 4000 रुपये = 560 रुपये

बचत प्रतिशत में वृद्धि = 560/4000 × 100 9402000×100=47 %

= 14%

अतः बचत में प्रतिशत वृद्धि 14% है।

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