Question

sum of age of father and his son is 45 years . 5 years ago the product of their ages is 124 . find the present age​

Answer 1

Answer:

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Let the son's age be x years

and

his father's present age be 45 - x years

1) Son = x

Father = 45 - x

5 years ago son = (x - 5)

Father = 45 - x - 5 = (40 - x)

(x - 5) (40 - x) = 4 (40 - x)

x - 4 = 4

x = 9

Answer

son 9 years father = 36

Check

5 years ago product of ages 4 × 31 = 124

4x father's age 4 × 31 = 124

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