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  • A mother is 9 times as old as her son. In 5 years she will be...
Multiple choice general knowledge math & puzzles

A mother is 9 times as old as her son. In 5 years she will be 5 times as old as her son. How old is she now?

  1. 50

  2. 40

  3. 35

  4. 45

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let son's age be x, mother's be 9x. In 5 years: 9x + 5 = 5(x + 5). Solving gives 9x + 5 = 5x + 25, so 4x = 20 and x = 5. The mother's current age is 9 * 5 = 45.

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