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Discussion :: Problems on Ages

1. 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?

2.  A. 16 years B. 18 years C. 20 years D. Cannot be determined E. None of these

Explanation :

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

Then,$$\frac { (6X+6)+4 } {(5X+6)+4 }$$=$$\frac { 11 } { 10 }$$

10(6x + 10) = 11(5x + 10)

5x = 10

x = 2.

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

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