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Ages of A and B are 5 : 3. In 9 years the ratio becomes 3 : 2. A's present age is

A30
B27
C36
D45
Answer & Solution
Correct answer: D. 45
Solving (5x + 9)/(3x + 9) = 3/2 gives x = 9, so A is 5 x 9 = 45.
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