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Multiple choice

The ratio between the present the ages of A and B is 4:5. If the difference between their present ages is 8 years, what is the sum of their present ages?

  1. 32

  2. 40

  3. 68

  4. 72

  5. None

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

Let the present ages of A and B be 4x and 5x, respectively. = 4x - 5x = 8 = x = 8 Now, present age of A is (4x) 32 and B is (5x) is 40. = 40 + 32 = 72.

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