Question
Monthly savings of βQβ is 25% more than that of
βPβ and is 44% less than monthly income of βPβ. Monthly expenditure of βQβ is Rs. 5150 and ratio of monthly income of βPβ and βQβ is 15:29, respectively. Find monthly expenditure of βPβ.Solution
Let monthly income of βPβ and βQβ be Rs. β15xβ and Rs. β29xβ, respectively Monthly savings of βQβ = 56% Γ 15x = Rs. 8.4x Monthly savings of βPβ = {8.4/1.25} = Rs. 6.72x Monthly expenditure of βPβ = 15x β 6.72x = Rs. 8.28x Monthly expenditure of βQβ = 29x β 8.4x = Rs. 20.6x Or, 20.6x = 5150 Or, x = 5150/20.6 Or, x = 250 Monthly expenditure of βPβ = 8.28 Γ 250 = Rs. 2070
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