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The mean of the present ages of a father and his son is 31 years. After 20 years, the father will be twice as old as his son. What is the ratio of the present ages of the son and the father?
7 : 24
5 : 21
3 : 7
2 : 5
7 : 24
Practice and solve "The mean of the present ages of a father and his son is 31 years. After 20 years, the father will be..." for Mathematics - Previous Year Paper 2026. The correct answer is Option A: 7 : 24. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "The mean of the present ages of a father and his son is 31 years. After 20 years, the father will be..." for Mathematics - Previous Year Paper 2026. The correct answer is Option A: 7 : 24. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.