Question

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Six years ago the ratio of ages of Bob and Joe is 2:5. Four years from now the ratio of their ages will be 4:5. Find the sum of their present ages?


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Answer 1

Answer:

Six years ago, the ratio of the ages of Kunal and Sagar was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Sagar's age at present

Step-by-step explanation:

Let the ages of Kunal and Sugar 6 years ago be 6x and 5x years respectively.

Then, (5x+6)+4(6x+6)+4=1011

⇒10(6x+10)=11(5x+10)

⇒5x=10

⇒x=1

∴ Sagar's present age = (5x + 6) = 16 years.