Question
The ratio of A and B present age is 3:2. The product of
their ages is 2400. What will be the ratio of their ages after 5 years?Solution
Let their present age be 3x and 2x respectively. Product of their ages = 6x² = 2400 => x² = 400 => x = 20 Present age of A = 3x = 60 years Present age of B = 2x = 40 years Ratio of their ages after 5 years = (60+5) : (40+5) = 65:45 = 13:9
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