Question
Monthly savings of βQβ is 25% more than that of
βPβ and is 55% less than monthly income of βPβ. Monthly expenditure of βQβ is Rs. 6100 and ratio of monthly income of βPβ and βQβ is 15:22, respectively. Find monthly expenditure of βPβ. MTSolution
Let monthly income of βPβ and βQβ be Rs. β15xβ and Rs. β22xβ, respectively Monthly savings of βQβ = 45% Γ 15x = Rs. 6.75x Monthly savings of βPβ = {6.75/1.25} = Rs. 5.4x Monthly expenditure of βPβ = 15x β 5.4x = Rs. 9.6x Monthly expenditure of βQβ = 22x β 6.75x = Rs. 15.25x Or, 15.25x = 6100 Or, x = 6100/15.25 Or, x = 400 Monthly expenditure of βPβ = 9.6 Γ 400 = Rs. 3840
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