Question
150 litres of mixture βAβ has 90 litres milk and
rest water. Find the total quantity of mixture βBβ if it contains 20% more milk and 20% less water than mixture βAβ.Solution
ATQ, Quantity of milk in mixture βBβ = 1.2 Γ 90 = 108 litres Quantity of water in mixture βBβ = 0.8 Γ (150 β 90) = 0.8 Γ 60 = 48 litres Total quantity of mixture βBβ = 108 + 48 = 156 litres
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I). p 2 Β β 17p + 70 = 0
II).Β q 2 Β β 25q + 154 = 0