is here any maths wizard?

Calling all math's genius to try this....and prove the logic...


The mum is 21 years older than the child.

In 6 years from now the mum will be 5 times as old as the child.

Question: Where's the father?

Try first, before you check the answer below!
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> > >Solution :
> > >
> > >The mum 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
> > >-3 = 4C
> > >C = -3/4
> > >
> > >The child is -3/4 years old, it'll be born in 9
> > >months.
> > >
> > >
> > >
> > >
> > >So right now, the father is on top of the mother.

why whats wrong in this
come on yaar its just joke
cheers