Answer: FATHER = 39 , SON=13

Step-by-step explanation:

Since we don't know the exact age we can consider creating equations and assume son's present age as x and write father's age in terms of x.

Age of son = x

Thrice means we have to multiply by 3. So, 3 x

Age of father = 3x

After 5 years means we have to add 5 with the present age

Age of son after 5 years=(x+5)

TWICE means we have to multiply by 2. And 8 more means we have to add 8. So, the expression will come as,

Age of father after 5 years =2(x+5) + 8

Now we can take,

Difference between father's age from five years before and five years later is 5. (Ex: If son's age was 5 at present, then five years later his age would be 10; the difference between these two ages is (10-5) five.)

2(x+5)+8 - 3x = 5

      2x+18-3x = 5

                  -x = 5-18

                  -x = -13

                    x = 13 (Present age of son)

So, if son's present age is 13, then father's age is thrice the number.

So, 3x = 3 x 13

           = 39 (Present age of Father)

Hope it was understandable.

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