The present ages of A and B are in the ratio 6 : 4. Five years ago their ages were in the ratio 5 : 3. Find their present ages.

The present ages of A and B are in the ratio 6 : 4. Five years ago their ages were in the ratio 5 : 3. Find their present ages. Correct Answer 30, 20

( 6x - 5) : ( 4x - 5) = 5 : 3 6x - 5 / 4x - 5 = 5/3 18x - 15 = 20x - 25 2x = 25 - 15 2x = 10 x = 5 Present age = 6 ×5 or 30 & 4 × 5 or 20
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