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A man’s age is 3 times the sum of the ages of his 2 sons after 5 years, His age will be twice the sum of ages of his 2 sons. The age of man (in years) will be :  
  • a)
    30
  • b)
    40
  • c)
    45
  • d)
    49
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A man’s age is 3 times the sum of the ages of his 2 sons after 5...
Let the sum of ages of two sons be x, and their father’s age = y years
According to the question
y = 3x
and y +5 = 2(x +10)
∴ 3x + 5 = 2x + 20
⇒ x = 15 years
and y = 45 years
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A man’s age is 3 times the sum of the ages of his 2 sons after 5 years, His age will be twice the sum of ages of his 2 sons. The age of man (in years) will be : a)30b)40c)45d)49Correct answer is option 'C'. Can you explain this answer?
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