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1. The sum of the ages of the son and father is 120 years. The father's age is 3 times than that of the son. What is the age of father?
- A. 75
- B. 75
- C. 75
- D. 75
Answer: Option D
Explanation:
let, age of son is x years
so the age of the father is 3x
according to the question,
x + 3x = 120
or, 4x = 120
∴ x = 30
so, father's age is = 3*30 = 90 years
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