Question
Monthly savings of βQβ is 20% more than that of
βPβ and is 44% less than monthly income of βPβ. Monthly expenditure of βQβ is Rs. 4760 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 = 56% Γ 15x = Rs. 8.4x Monthly savings of βPβ = {8.4/1.2} = Rs. 7x Monthly expenditure of βPβ = 15x β 7x = Rs. 8x Monthly expenditure of βQβ = 22x β 8.4x = Rs. 13.6x Or, 13.6x = 4760 Or, x = 4760/13.6 Or, x = 350 Monthly expenditure of βPβ = 8 Γ 350 = Rs. 2800
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