Question
A man spends 75% of his income. His income increases by 20% and his expenditure also increases by 10%. The percentage of increase in his savings is
Answer: Option C Answer: (c)Man's income = Rs.100 (let)Expenditure = Rs.75Savings = Rs.25New income = ${100 × 120}/100 = Rs.120$New expenditure = ${75 × 110}/100 = Rs.82.5$Savings = 120 – 82.5 = Rs.37.5Increase in savings = 37.5 – 25 = Rs.12.5Increase per cent = $12.5/25 × 100 = 50%$
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