Multiple choice

Father's age is five times the son's age. After 8 years father's age will be thrice the son's age. What is father's present age ?

  1. 30 years

  2. 35 years

  3. 40 years

  4. 45 years

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let son's age = s, then father's age = 5s. After 8 years: father = 5s + 8, son = s + 8. Given: 5s + 8 = 3(s + 8). Solve: 5s + 8 = 3s + 24, so 2s = 16, s = 8. Father's present age = 5s = 40 years. This matches option C.

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