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Multiple choice

The ratio of the ages of two persons is (4:5). If the age of one of them is greater than the other by 7 years then what is the sum of their ages?

  1. $72$
  2. $82$
  3. $73$
  4. $63$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ages are 4x and 5x. Difference is 5x - 4x = x = 7 years. Sum of ages = 4x + 5x = 9x = 9 × 7 = 63 years.

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