The age of a father 10 years ago was thrice the age of his son. Ten years later, the father's age will be twice that of his son. The ratio of their present ages is:

8:5

7:3

5:2

9:5

None of these

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The age of a father 10 years ago was thrice the age of his son. Ten years later, the father's age will be twice that of his son. The ratio of their present ages is:

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Text solutionVerified

Explanation Option [b] is correct. Let the age of the son 10 years ago be x years. ∴ Father?s age 10 years ago would be 3x years. Now as per the information given in question, 3x+20=2(x+20) or x=20 ∴ Ratio of their present ages =(3x+10:x+10)=70:30=7:3

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Question Text	The age of a father 10 years ago was thrice the age of his son. Ten years later, the father's age will be twice that of his son. The ratio of their present ages is:
Answer Type	Text solution:1
Upvotes	150

The age of a father 10 years ago was thrice the age of his son. Ten years later, the father's age will be twice that of his son. The ratio of their present ages is:

Text solutionVerified

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