Question
βXβ owns 40% less pens than βYβ. βYβ owns
50% more pens than βZβ. By what percentage are the pens with βXβ less than those with βZβ?Solution
ATQ,
Let, number of pens with βYβ = 30a
Number of pens with βXβ = 0.6 Γ 30a = 18a
Number of pens with βZβ = (30a/1.5) = 20a
So, required percentage = {(20a β 18a)/20a} Γ 100 = 10%
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