A father is 20 year older than his son 12 year ago the age of the father was six time that of his son find there age
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let the age of son be x.
father's age=x+20
12 years ago,
son's age=x-12
father's age=x+20-12=x+8
x+8=6(x-12)
x+8=6x-72
72+8=6x-x
5x=80
x=16
son's present age=16 years
father's present age=x+20=16+20=36 years
father's age=x+20
12 years ago,
son's age=x-12
father's age=x+20-12=x+8
x+8=6(x-12)
x+8=6x-72
72+8=6x-x
5x=80
x=16
son's present age=16 years
father's present age=x+20=16+20=36 years
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