Multiple choice

The ratio of ages of A, B and C is 5:8:9. If the sum of ages of A and C is 56 years, what is B's age?

  1. 21 years

  2. 32 years

  3. 12 years

  4. 23 years

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

Let ages be 5x, 8x, 9x. Given 5x + 9x = 56, so 14x = 56 and x = 4. B's age = 8x = 32 years. Option B is correct. Option A (21) would be if x=2.625, and option C (12) ignores the ratio entirely.

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