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1. A father's age is 4 times his son's now. 20 years from now, the father's age will be double his son's age. What will be the son's age 10 years from now?

  • A. 20
  • B. 20
  • C. 20
  • D. 20

Answer: Option A

Explanation:

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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