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Number Puzzles

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Number Puzzles

Post  GTC1 on Wed May 13, 2009 1:49 am

Do you know the next two numbers in the following series?
1 4 10 22 46

Feel free to ask your own number problem too.
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Re: Number Puzzles

Post  sminshulls on Sat May 23, 2009 1:35 pm

Spoiler:
94 190
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Re: Number Puzzles

Post  GTC1 on Fri May 29, 2009 11:01 pm

Well done sminshulls!

OK, try this one:
What's the next number?

8723, 3872, 2387, ?


Last edited by GTC1 on Sun May 31, 2009 11:21 pm; edited 3 times in total (Reason for editing : adding hidden content - post in this topic to see explanations)
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Re: Number Puzzles

Post  battiebird on Sun May 31, 2009 2:30 pm

Spoiler:
7238
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Re: Number Puzzles

Post  GTC1 on Sun May 31, 2009 11:24 pm

Well done battiebird!

OK, try this one:
What are the next two numbers in this series?

43, 47, 53, 59, 61, 67, 71, 73, 79,
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Re: Number Puzzles

Post  sminshulls on Mon Jul 27, 2009 1:00 pm

83, 87
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Re: Number Puzzles

Post  GTC1 on Sun Aug 09, 2009 12:38 pm

sminshulls wrote:83, 87

Close, but only half right! study
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Re: Number Puzzles

Post  Bren on Thu Aug 13, 2009 7:45 pm

Spoiler:
83, 89
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Re: Number Puzzles

Post  GTC1 on Mon Aug 17, 2009 12:55 pm

Well done Bren you got it!

OK, here's the next one:

Which is the next number in this seqence:
1
11
21
1211
111221
312211

Good luck all!
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Re: Number Puzzles

Post  Bren on Wed Aug 19, 2009 6:54 pm

Spoiler:
13112221

1 << one 1 or 11
11 << two 1s or 21
21 << one 2 and one 1 or 1211
1211 << one 1, one 2 and two 1s or 111221
111221 << three 1s, two 2s and one 1 or 312211
312211 << one 3, one 1, two 2s and two 1s or 13112221
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Re: Number Puzzles

Post  GTC1 on Thu Aug 20, 2009 11:11 am

Bren wrote:
Spoiler:
13112221
1 << one 1 or 11
11 << two 1s or 21
21 << one 2 and one 1 or 1211
1211 << one 1, one 2 and two 1s or 111221
111221 << three 1s, two 2s and one 1 or 312211
312211 << one 3, one 1, two 2s and two 1s or 13112221
Well done Bren!

Ok here's the next one:
Which two numbers come next in the following series:
89, 13, 95, 51, 18, 33, 85, 56, 97, 4, 83, 107...
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Re: Number Puzzles

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