Multiple choice

Father's age is twice that of his son's age. Thirty years back, father's age was four times that of son's age. What is the age of son now?

  1. 35

  2. 38

  3. 40

  4. 45
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let son's age be S and father's age be F. F = 2S and F-30 = 4(S-30). Substituting: 2S-30 = 4S-120, so 2S = 90, S = 45. The son is 45 years old now, matching option D.

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