Multiple choice

The sum of present ages of father and son is 48 years. If after 6 years, father's age will be four times the son's age, what will be father's present age?

  1. 54 years

  2. 48 years

  3. 58 years

  4. 56 years

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

Let father's age = F, son's age = S. F + S = 48, and (F + 6) = 4(S + 6). Solving: F + 6 = 4S + 24, so F = 4S + 18. Substituting: 4S + 18 + S = 48, 5S = 30, S = 6. Then F = 48 - 6 = 42 years. Since 42 is not among A-D (54, 48, 58, 56), answer is E (None of these).

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