Question
The relationship between the quantity of refined oil and
mustard oil in Mixtures 'P,' 'Q,' and 'R' is described as 7:3, 1:1, and 3:2, respectively. If these mixtures, 'P,' 'Q,' and 'R,' are combined in the ratio of 2:2:3, then what is the proportion of refined oil in the final mixture, expressed as a percentage?Solution
ATQ, % of quantity of Refined oil in mixture βPβ = (7/10) Γ 100 = 70% % of quantity of Refined oil in mixture βQβ = (1/2) Γ 100 = 50% % of quantity of Refined in mixture βRβ = (3/5) Γ 100 = 60% Hence required % will beΒ = [{(70 Γ 2) + (50 Γ 2) + (60 Γ 3)} Γ· (2 + 2 + 3)]Β = 420 Γ· 7Β = 60%
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