Topic: How good is your Maths??
uk1971's photo
Tue 08/21/07 01:04 PM
If you can solve this you're a genius (actually it's not that hard - just simple algebra)



A mother is 21 years older than the child. 6 years from now the mother will be 5 times as old as the child.

Question : Where's the father?


Have a go before you check the answer below.


no cheating

Even if you're a little weak in maths have an attempt ........
































Solution :

The mother (M) is 21 years older than the child , so
M = C + 21

In 6 years from now the mum will be 5 times as old as the child,
M + 6 = (C + 6) x 5

Hence,
C + 21 + 6 = (C + 6) x 5
C + 27 = 5C + 30
-3 = 4C
C = -3/4

The child is -3/4 years old, that is, it'll be born in 9 months.

Thus.. by mathematical induction.... ...

At this moment the Father is on top of Mother.

bigsmile glasses

carebear19622's photo
Tue 08/21/07 01:10 PM
huh laugh

Silkbutterfli's photo
Tue 08/21/07 02:41 PM
I never took algebra, would never have gotten that one.
Interesting

Snugglesbyfire's photo
Tue 08/21/07 02:42 PM
ewwwwwwwwwwwwww I hate math...................ewwwwwwwwwwwwwwwwwwwwwwww

no photo
Wed 09/05/07 03:47 PM
I really hate to mention this, but I will anyway.

If the child is -3/4 years old then in 6 years will be 5 years old. If the mother is 21 years older than the child she will be 26 years old in 6 years. Since 26 / 5 is not 5 your math has issues.

Ha Ha Ha. I really hate saying that, but mainly because I can't find the I told you so button to click.

no photo
Wed 09/05/07 03:49 PM

e=mc^2

smokin


laugh

no photo
Wed 09/05/07 03:53 PM
Really it was a funny joke. I just don't like people messing with me in math so I had to complicate the issue.

no photo
Wed 09/05/07 03:56 PM

Philosopher,

Stick to landing strips and malls full of midgets, ok?

laugh laugh

no photo
Wed 09/05/07 03:59 PM
and happy trails?

Alada's photo
Wed 09/05/07 04:01 PM
No wonder I failed algebra, 2 years in a row!!! laugh laugh laugh

no photo
Wed 09/05/07 04:02 PM

I'm still wondering about that one...!

Now be good and don't hijack this thread!

laugh laugh