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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,051

I have put the numbers from 1 to 10 in three groups. Tell me, on what basis have I grouped the numbers. I shall give you a clue, but I am not sure if that would be of any help

CLUE

(1,2,6,10) RED

(4,5,9) BLUE

(3,7,8) GREEN

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**mathsyperson****Moderator**- Registered: 2005-06-22
- Posts: 4,900

Good one ganesh! I was confused for a while.

(1,2,6,10) DOT

(4,5,9) LINE

(3,7,8) SPACE

Don't rely too heavily on that clue, or you'll get very confused.

It's mainly to show ganesh that I know.

Why did the vector cross the road?

It wanted to be normal.

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,653

Don't you mean:

(1,2,6,10) ADD

(4,5,9) PLUS

(3,7,8) TOTAL

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**mathsyperson****Moderator**- Registered: 2005-06-22
- Posts: 4,900

(1,2,6,10) YES,

(4,5,9) YOUR

(3,7,8) RIGHT!

Hehe, I think it's a bit obvious now.

Why did the vector cross the road?

It wanted to be normal.

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**kylekatarn****Member**- Registered: 2005-07-24
- Posts: 445

{1,2,6,10} -> Wordlength = Wordlength("RED")

{4,5,9} -> Wordlength = Wordlength("BLUE")

{3,7,8 } -> Wordlength = Wordlength("GREEN")

nice problem!

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