Multiple choice general knowledge math & puzzles

A wizard named Nepo says "I am only three times my son's age. My father is 40 years more than twice my age. Together the three of us are a mere 1240 years old." How old is Nepo?

  1. 360

  2. 140

  3. Data Insufficient

  4. Cannot be determined
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let N = Nepo's age, S = son's age, F = father's age. N = 3S, F = 2N + 40 = 6S + 40. Total: S + N + F = S + 3S + (6S + 40) = 10S + 40 = 1240. So 10S = 1200, S = 120. Therefore N = 3 × 120 = 360 years.

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