Two numbers are in the ratio 3 : 5. If each number is increased by 10, the ratio becomes 5 : 7. The numbers are?

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Accepted Answer

Let the number be 3a and 5a Then, (3a + 10) / (5a + 10) = 5/7 ∴ 7(3a + 10) = 5 x (5a + 10) ∴ 4a = 20 ∴ a = 5 So, the number are 15, 25.

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