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The ratio between the present ages of A and B is 3:5 respectively. If the difference between B`s present age and A`s age after 4 years is 2, what is the total of A`s and B`s present ages?

24 years
32 years
48 years
cannot be determined
Explanation:

Let the present ages of A and B be 3x years and 5x years respectively.

=> 5x - (3x + 4) = 2

=> 2x = 6

=> x = 3.

Therefore, Required sum = 3x + 5x = 8x = 24 years.

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