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The following question is based on Blood Relations

The ratio of the ages of the father and the son at present is 5: 1 After 10 years the ratio will become 3:1 What is the sum of the present ages of the father and the son.
(A)30 (B)32 (C)60 (D)None of these


Let son's age be x years. Father's age=5x years. After 10 years , Son's age= x+10 years Father's age= 5x+10 years 5x+10/x+10=3 5x+10=3x+30 2x=20 x=10 years Son's present age=10 years Father' present age=50 years Sum of their ages=50+10=60 years. Therefore ANS=(c)60
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