five years ago the sum of ages of the father and son was 40 years in present ratio is 4:1 then the present age
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Given, the ratio of present ages of father and son is 4:1.
Let present ages be 4x and x, respectively.
5 years ago, age of the father was 4x−5 years and age of the son was x−2 years, respectively
According to the question,
4x−5+x−5=40
⇒5x−10=40
⇒5x=50
⇒x=10
Present age of father =4×10=40 years
hope it helps you..
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