Verified by Ajay Kumar
The monthly income of Anita is ₹24,000, and her monthly expenditure is ₹16,000. If her income increases by 25% and her expenditure increases by 10%, find the percentage increase in her savings.
40%
75%
80%
55%
Answer: D
Solution: Initial savings \(=24000-16000=8000\). New income \(=24000\times1.25=30000\). New expenditure \(=16000\times1.10=17600\). New savings \(=30000-17600=12400\). Increase in savings \(=12400-8000=4400\). Percentage increase \(=\frac{4400}{8000}\times100=55\%\). Trick: Calculate the increase using the original savings as the base, not the original income.
अनीता की मासिक आय ₹24,000 है और उसका मासिक व्यय ₹16,000 है। यदि उसकी आय में 25% और व्यय में 10% की वृद्धि होती है, तो उसकी बचत में प्रतिशत वृद्धि ज्ञात कीजिए।
40%
75%
80%
55%
उत्तर: D
हल: प्रारंभिक बचत \(=24000-16000=8000\)। नई आय \(=24000\times1.25=30000\)। नया व्यय \(=16000\times1.10=17600\)। नई बचत \(=30000-17600=12400\)। बचत में वृद्धि \(=12400-8000=4400\)। प्रतिशत वृद्धि \(=\frac{4400}{8000}\times100=55\%\)। ट्रिक: प्रतिशत वृद्धि निकालते समय प्रारंभिक बचत को आधार मानें, प्रारंभिक आय को नहीं।
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