A man is 30 years older than his son. In four years, his age will be twice the…
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A man is 30 years older than his son. In four years, his age will be twice the age of his son. The present age of his son is :
- A.
26 years
- B.
30 years
- C.
24 years
- D.
28 years
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Correct answer: A
Answer: 26 years
Let the son's present age be x years.
Then the man's present age is x + 30 years.
After 4 years the son's age will be x + 4 and the man's age will be x + 34.
Given the man's age will be twice the son's age: x + 34 = 2(x + 4).
Solve: x + 34 = 2x + 8 => 34 - 8 = 2x - x => x = 26.
Therefore the present age of the son is 26 years.