the age of man is three time the sum of the age of his two sons. Five years hence, his age will be double of the sum of the ages of his sons. the father’s present age is : Choose the correct choice from the following: A) 40 year B) 45 year C) 50 year D) 55 year E) 65 year
Solution   Let the sum of present ages of the two sons be x years.   Then, father's present age = 3x years.   ∴ (3x + 5) = 2 (x + 10) ⇔ 3x + 5 = 2x + 20 ⇔ x = 15.   Hence, father's present age = 45 years. Answer 45 year
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the age of man is three time the sum of the age of his two sons. Five years hence, his age will be double of the sum of the ages of his sons. the father’s present age is :