Question
Monthly savings of βAβ is Rs. 700 more than his
monthly expenditure and his total monthly income is Rs. 6500. If his monthly income is increased by 40% and his monthly savings is increased by 37.5%, then find the increase in his monthly expenditureSolution
Monthly savings of βAβ = (6500 + 700)/2 = Rs. 3600 Monthly expenditure of βAβ = 6500 β 3600 = Rs. 2900 Increased monthly expenditure of βAβ = 1.40 Γ 6500 β 1.375 Γ 3600 = Rs. 4150 Desired increase = 4150 β 2900 = Rs. 1250
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