The sum of ages of father and son is 45 years five years ago product of theur ages was 124
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Let the son's present age be x years
his father 's present age be 45-x years
1) Son = X
Father = 45 - X
5years ago Son = ( X -5)
Father = 45 - X - 5 = ( 40 - X)
( X -5) ( 40- X ) = 4 ( 40 - X)
X- 5 = 4
X = 9
ANSWER Son 9 years Father = 36
CHECK
5 years ago product of ages 4 X 31 = 124
4 X fathers age 4 X 31 = 124
his father 's present age be 45-x years
1) Son = X
Father = 45 - X
5years ago Son = ( X -5)
Father = 45 - X - 5 = ( 40 - X)
( X -5) ( 40- X ) = 4 ( 40 - X)
X- 5 = 4
X = 9
ANSWER Son 9 years Father = 36
CHECK
5 years ago product of ages 4 X 31 = 124
4 X fathers age 4 X 31 = 124
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