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Father's age is four times of his son's age now. Twenty years from now, father's age will be double his son's age. What will be the son's age ten years from now?

Father's age is four times of his son's age now. Twenty years from now, father's age will be double his son's age. What will be the son's age ten years from now? Correct Answer 20

Let's son's Age = x Fathers Age = 4x 4x + 20 2 ( x + 20) 2x = 20 x = 10 10 + 10 = 20

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