The ratio of ages of three persons is 4:7:9, Eight years ago, the sum of their ages was 56. Find their present ages.
Answer with explanationAnswer: Option A
Let the present ages are 4x, 7x, 9x.
=> (4x-8) + (7x-8) + (9x-8) = 56
=> 20x = 80
=> x = 4
So their present ages are: 16,28,36
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