Ramu's father's present age is 3 times Ramu's age.Ramu's grandfather's age is 13 years more than the sum of Ramu's age and Ramu's father's age.How do you find Ramu's grandfather's age?

HI, Let the father's age = x and Ramu's = y so x = 3y ....1Grand father's age = 13+y+x = 13+y+3y = 13+4y so if we find the age of any son or father then we can calculate grandfather's age. 

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