Question

The ratio of the ages of father and son at present is 6: 1. After 5 years the ratio will become 7:2. Find the present age of the son?​

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Answer 1

Answer:

let the present age of the father be 6x

let the present age of the son be x

ages after 5 years

the age of the father be 6x+5

the age of the son be x+5

present age of son

6x+5 /x+5=7/2

12x+10=7x +35

12x -7x =35-5

5x = 30

x =6

the present age of son =6 years