Math Problem (Funny)

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Jack
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Math Problem (Funny)

Post by Jack » Thu Mar 18, 2004 5:07 pm

Calling all maths geniuses to try this...
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?

Try first, before you check the answer below.




























Solution :
The mother is 21 years older than the child.

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
27 - 30 = 5C - C
-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....
Right now, the father is on top of the mother...

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blue boy
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Location: Ipswich!!!

Post by blue boy » Thu Mar 18, 2004 5:45 pm

very good :lol:

DeIpswich
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Post by DeIpswich » Thu Mar 18, 2004 6:07 pm

wtf :? lol i lost that half way through

Qbert72
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Post by Qbert72 » Thu Mar 18, 2004 11:29 pm

Go on my son get in there, lol

Foxy Lady

Post by Foxy Lady » Fri Mar 19, 2004 1:03 am

Very clever... :D

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toby
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Post by toby » Fri Mar 19, 2004 1:23 am

Why can't he be underneath the mother or behind her?

:wink:

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