Question

Present age of son 33 1/3% of his father age and after five years the ratio of age of father to son will become 7:3. If after two years father age will be ... Years, then what will come in the place of blank

Answer 1

Step-by-step explanation:

Let the present ages of father and son be 7x and 3x.

After 10 years, their ages will be 7x+10 and 3x+10.

According to the question, we have

3x+10=2

_______

7x+10 = 1

1(7x+10)=2(3x+10)

7x+10=6x+20

7x−6x=20−10

x=10

Then present age of father is 7x, i.e. 7×10=70 years.

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