Question
Monthly savings of βQβ is 25% more than that of
βPβ and is 52% less than monthly income of βPβ. Monthly expenditure of βQβ is Rs. 4160 and ratio of monthly income of βPβ and βQβ is 15:28, respectively. Find monthly expenditure of βPβ. MTSolution
Let monthly income of βPβ and βQβ be Rs. β15xβ and Rs. β28xβ, respectively Monthly savings of βQβ = 48% Γ 15x = Rs. 7.2x Monthly savings of βPβ = {7.2/1.25} = Rs. 5.76x Monthly expenditure of βPβ = 15x β 5.76x = Rs. 9.24x Monthly expenditure of βQβ = 28x β 7.2x = Rs. 20.8x Or, 20.8x = 4160 Or, x = 4160/20.8 Or, x = 200 Monthly expenditure of βPβ = 9.24 Γ 200 = Rs. 1848
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