A father is three times as old as his son. After 12 years, the father will be twice as old as his son. What is the father's present age (answer in years)?
Competition practiceAverages & Ages
A39
B36
C33
D30
Step-by-Step Solution
Let son = s, father = 3s.3s+12=2(s+12) → s=12. Father = 3×12=36 years.
Answer: B) 36
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