Question

one year ago,a man was 8 times as old as his son,now his age is equal to the square of his son's age. find the present age​

Answer 1

Answer:

the present age of Man is 81 year

Answer 2

Step-by-step explanation:

Let the present age of man be m and that of the son be s.

As per the condition given in the question,

m-1=8(s-1)

m-1=8s-8

m+7=8s -----(1)

The second condition is

m=s^2 ------(2)

Now substituting m from (2) in (1),

s^2+7=8s

s^2-8s+7=0

s^2-7s-s+7=0

s(s-7)-1(s-7)=0

(s-1)(s-7)=0

So, s=1 or s=7

And m=(1)^2=1 or m=(7)^2=49

Here the best answer is m=49 and s=7

and m=1 and s=1 can't be the appropriate solution.

Hence the answer is man's present age is 49 and that of the son is 7.

Hope this helps you.