Prove the Logic!

[indianarchie]

Prove The Logic

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

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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 = 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, i.e. it will be born in 9 months.

So right now, the father is on top of the mother.

[Crispy]

Hehe, good one

[cheezus420]

LOL, finally getting some good use out of algebra, huh... HEHEHE Nice

[Aaron_]

Good one!

I must say I'm tired and I didn't try, just went down to the solution. LOL

[saprouzy]

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

M + 6 = 5

should be M + 6 = 5 (C + 6)

good one

but not better than my HILARIOUS joke

[arvindK]