Question
Age of βAβ after 8 years will be three time of his
age 20 years ago. Eight years hence from now, ratio of ages of βAβ and βBβ will be 2:3, respectively. If present average age of βAβ, βBβ and βCβ is 35 years, then find the present age of βCβ.Solution
Let present age of βAβ be βaβ years So, 3(a β 20) = a + 8 Or, 3a β 60 = a + 8 Or, 2a = 68 Or, a = 34 Present age of βBβ = 3/2 Γ {34 + 8} β 8 = 63 β 8 = 55 years Present age of βCβ = 35 Γ 3 β 34 β 55 = 16 years
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