Problems on Ages · Question 13 · Hard

The sum of the present ages of A, B and C is 90 years. Six years ago, their ages were in the ratio 1 : 2 : 3. What is C's present age?

  1. 36 years
  2. 40 years
  3. 42 years
  4. 48 years
Answer and explanation

Answer: C. 42 years

Explanation: Six years ago the sum was 90 − 18 = 72, so the ages were 12, 24 and 36. C is now 36 + 6 = 42 years.

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