Two difference between the age of two sisters is 6 years. In 2008, A's age is 4 times that of the other. What is the ratio of their age in 2013.
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The difference between the age of two sister is 6 years. If the age of one of them in 2008 was X the age of the other was X + 6 years. In 2008, the ratio of their age was `(X + 6)/X = 4` .
This gives X + 6 = 4X
=> 3X = 6
=> X = 2
In 2013, i.e. 5 years later, their age is 7 and 13 years. The required ratio of their age is `13/7`
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