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The present age of son is half of the present age of his mother. Ten years ago, his mother's age was thrice the age of her son . What is the present age of the son?

The present age of son is half of the present age of his mother. Ten years ago, his mother's age was thrice the age of her son . What is the present age of the son? Correct Answer 20 years

Let, present age of son be 'x' " " " mother be '2x' So, 10 years ago, age of son was 'x - 10' " " " " mother was '2x - 10' ATQ, 2x - 10 = 3(x - 10) = > 3x - 2x = 30 - 10 ∴x = 20 Ans.

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