Multiple choice

Fifteen years hence a man will be four times as old as he was fifteen years ago. His present age is

  1. 25 years

  2. 20 years

  3. 30 years

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

Let present age be x. Fifteen years hence: x + 15. Fifteen years ago: x - 15. Given: x + 15 = 4(x - 15). So x + 15 = 4x - 60, therefore 3x = 75 and x = 25. Option B (20): 35 ≠ 4(5)=20. Option C (30): 45 ≠ 4(15)=60. Option D (45): 60 ≠ 4(30)=120.

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