Question 20

The fatherʼs age is six times his sonʼs age. Four years hence, the age of the father will be four times his sonʼs age. The present ages (in years) of the son and the father are, respectively

Solution

Let the son's age be X. Then, the father's age will be 6X.

Four years hence, the age of the father will be four times his sonʼs age.

6x + 4 = 4(X + 4)

6X + 4 = 4X + 16

2X = 12

X = 6

Thus, the present age of son is 6 years, and the present agae of father is 36 years.

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