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            We seek order and pattern in all things
                and often adjust our paradigm.
        
            What number would be next in this series?

                21, 81, 42, 03, 63, 24, 84, ___

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        ****** Congratulations to all who entered! *******
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               ~ Winners/Solvers of puzzle #224 ~
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Siegfred Isip
St. Monica School - Calgary,AB Canada

Ben
University of Waterloo

Mrs. McDonald's class 
Bairdmore School - Winnipeg, Manitoba

Matthew Jurkowski
Royal West Academy - Montreal, Canada

Eddie Whit - Mrs. Geh's class
Middlebury P.S. - Mississauga, Ont.

Jessika

Barry Spence - Teacher
Piper Creek Elementary School - Red Deer AB Canada

habanero@syspac.com

Roger
International School of the Peninsula - Palo Alto, CA.

Michael Covington
Univ of Oregon - Eugene, OR, USA

DRIMUS GABRIEL
ROMANIA
DISTRICT: MARAMURES
TOWN: SIGHETU-MARMATIEI

Mrs. Cecile's Grade 5 class
Sacred Heart School - Sarnia, Ontario
The numbers in the series are +6, then the digits are reversed.
(03 was the defining clue)

Jordan Freemyer
jordanf@psd.k12.co.us    

Richard McChesney and Grade 7
Mary Immaculate School - Key West, FL

greg rushton

Shane Galligan
Seneca Jr. High - Long Island, New York 
says the next number would be either 45 or 144.  
We used  +60, -39 for ech entry 
and every third multiple of 7 for the odd entries.

Mrs. McDonalds class
Bairdmore School - Winnipeg, Manitoba

mike longo
clague middle - ann arbor usa

Greg Robinson
Wabash College - Crawfordsville, IN, USA

Jarrett Moffatt - Grade 6 
Shamrock School - Winnipeg, MB, CA

Sean Carpentier
Pius XI high school - milwaukee wi, usa

Derick Moudy
Marceline R-V - Marceline, Mo, United States of America

eric potash
the pattern (the pattern is +60-39+3+60-39+60-39)

Louise, Stan Mrnik
St. Patrick's High School - Sarnia, Ontario, Canada 

Jack Chislett
Georgia Tech - Atlanta GA

Laura Winch - Grade 5
Deer Park P.S. - Keswick,Ont

Students of rm 11 grade 4/5
Brightview Elementary - Edmonton Alberta

mark harris - gr 11
royal west 

5M Classroom
RHG Bonnycastle Elementary School - Winnipeg,Manitoba,Canada

mac

B.C.H.
Toronto, Canada

Myrrh Kringer
Bay View Highschool - Milwaukee, Wisconsin, United States of America

Michael D. - Grade 4
Piper Creek Elementary School - Red Deer  AB
( Michael also noticed that adding 3 to a number gives the
 number five places on in the series.)

********************** 45 ****************************************
answer: 45 but another reason by Sarah S.- Grade 4 (and Bill)
Piper Creek Elementary School - Red Deer  AB

"There are two series, 21, 42, 63, 84... and 81, 03, 24, 45...
In each series, the numbers increase by 21. If the result is over 100, ignore the hundreds place. The 81 that starts the second series is a typing error. It should be 82."

*********************** 144 **************************************

Shane Galligan
Seneca Jr. High - Long Island, New York 
says the next number would be either 45 or 144.  
We used  +60, -39 for ech entry 
and every third multiple of 7 for the odd entries.

Daniel Mount
Park Forest Elementary School - State College, PA

Chalmer
San Luis

Cheryl
Kennedy Public School - Toronto, Canada


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      ****** Congratulations to all who entered! *******
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