1.

Five years ago, the total of the ages of a father and his son was 40 years. The ratio of their present ages is 4 : 1. What is the present age of the father ?

Answer» GIVEN,
5years ago
x+y=40
now ,
x +y = 4:1
4X , 1x
4x+1x= 40+5
5x= 45
x =45/5
x= 9
4x=36

NOW , THE SON IS 9 YEARS OLD AND THE FATHER IS 36 YEARS OLD


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