Odd Sequence 11, 31, 71, 91, 32, 92, 13, 73, 14, 34, 74, 35, 95, . . . Observe the sequence of numbers:   11, 31, 71, 91, 32, 92, 13, 73, 14, 34, 74, 35, 95, . . .   What would be the next two numbers in the sequence?
September 19, 2005
Past Problems
	E-mail Solutions to: pow@umassd.edu
	Correct Solutions
	Adrian Atanasiu. Bucharest, Romania Eugene Roytman. New York, NY Brian Hetrick. UNH, Manchester, NH Jerrold Greenberg. New York, NY Lisa Schechner. Schreiber High, Port Washington, NY Rafael Zambrano. Barranquilla, Colombia Mark Wintczak. Naperville, IL Radu Casian Ionescu. Montreal, Quebec, Canada Tim Poe. Austin, TX Patrick Mc Henry. Gloucester City Schools, Gloucester, MA Aristides Kyriakakis.  Thessaloniki. Greece Frank McGartland.  Saskatoon, SK., Canada. Raphael Chalhub. Pan American School of Bahia, Salvador, Bahia, Brazil Jerome Cherry. Mundare, Alberta, Canada Peter  Moynahan. Rye Junior High, Rye, NH Jovana Mitrovic. Maths High School, Belgrade, Serbia and Montenegro Luk-Zilberman. Haifa, Israel Jakob Christopher. Carwise Middle School, Palm Harbor, FL Catherine Cunningham. Creekwood Middle School, Kingwood, TX Mansi Raythatha. Creekwood Middle School, Kingwood, TX Devyn Carson. Pakersburg High School Cory Scruggs. Creekwood Middle School, Kingwood, TX Sarah Chen. Marie Curie Middle School, New York, NY Nikki Tan, Southridge, Surrey, BC Canada Leong Han, University of Malaya, Kuala Lumpur, Malaysia. Jeremy Jimenez. Cerwise Middle School Palm Harbor, FL Samantha Newhaller, Palm Harbor FL, USA Stephen Li, South Pasadena, CA, USA Adam Zeldin, Tucson High Magnet School, Tucson, AZ G. Loo Joseph Lopez. Carwise Middle School, Palm Harbor, FL Amanda Tu. Southridge School, Surrey, BC, Canada Harry Siebert. Infineon, Munich, Germany Emil Lalov. Mathematical High School, Pleven, Bulgaria Jess Wrigley. Gold Coast, Australia Navdeep Johal. Carteret High School, Carteret, NJ Omid Kohannim. UCLA, Los Angeles, California. Deb Winslow. Perkasie, PA Carl Sedgeman. Sauk Centre HS, Sauk Centre, MN Kristin Ammon. Creekwood Middle School, Kingwood, TX Bonjean Francois. Liege, Belgium Alireza Rezvani Faezifar. Tehran, Iran James McCormick, R.F. Staples, Westlock, AB Jamon Kennedy. Holton, KS Josh Andrews, Chelmsford High School, Chelsford, MA Steigen Johnson. Pan American School of Bahia, Salvador, Bahia Michael Fang. Osceola Middle School, Ocala, FL Phillip Ai. Hammarskjold Middle School, East Brunswick, NJ Paul Muiznieks, Chelmsford High School, Chelmsford, MA Dave Barron. Chelmsford High School, Chelmsford, MA Tonya Anderson. Kissimmee, FL Alessandra DeJesus, Carteret High, NJ Borys Derevyanko. Carteret High School, Carteret, NJ Gavin Tse from South Pasadena Middle School CA Seong-Ho, Lee. Saigon South International School, Ho Chi Minh, Vietnam Hai A. Luong. Carteret High School, NJ Jon Eisenberg. Dartmouth High School, Dartmouth, MA Matthew Kestenbaum. Dartmouth High School, Dartmouth, MA Lori Mann. Kissimmee, Fl Daniel Pyon. South Pasadena Middle School, South Pasadena, CA Nikki DeOcampo. Creekwood Middle School,  Kingwood, TX Bar Greengrass. Israel Brianna Loo. South Pasadena Middle School, South Pasadena, CA Jennifer Sailor, Osceola Middle School, Ocala, FL Elyssa Rautiola. Pan American School of Bahia, Bahia, Brazil Kathrin Baur. Pan American School of Bahia, Bahia, Brazil Cody Martin, Hutchinson Middle School, Hutchinson, KS Wu John Ken. Pan American School of Bahia, Salvador, Bahia, Brazil Rufus Hallam. Canterbury, England Maiane Sousa. Pan American School of Bahia, Salvador, Bahia, Brazil Ana Verena S. Nigro, Pan American School of Bahia, Salvador, BA Mason Bates. Creekwood Middle School, Kingwood, TX. Jenna Custodio. Dartmouth High School, Dartmouth, MA Gustavo Amorim. Pan American School of Bahia, Salvador, Bahia, Brazil Lorna Ferguson Kathryn Curvino, Canton Middle School, Canton, CT Carolyn Merchant. Dartmouth High School, Dartmouth, MA Genoa Warner. Dartmouth High School, Dartmouth, MA Wu Sau Wai. Pan American School of Bahia, Salvador, Bahia, Brazil, Alexandre Chalhub. Pan American School of Bahia, Salvador, Bahia, Brazil Diane Kristiansen. Westwood College, Dallas, TX Brandon Ciraco. Osceola Middle School, Ocala, FL Cray Math Project. New Castle, PA Annelise Broussard. Creekwood Middle School. Kingwood. TX Heather Sands. Jimmy Kim. Sigon South International School, Hochiminh City, Vietnam Alejandra Jiménez. Pan Amerian School of Bahia, Salvador, Bahia Milla Goldenstein. Salvador, Bahia, Brazil Bojan Ilic. Prirodno-matematicki Fakultet Nis, Serbia & Montenegro Sarah Struijk. Pan American School of Bahia, Salvador, Bahia, Brazil Alexander Kwok. South Pasadena Middle School, South Pasadeba Matt Hurst. Floyd High School, Floyd, VA Ethan Dulaney. Floyd High School, Floyd, VA Pascale Philpot. Valencia Community College, Kissimmee, FL Hamilton Hardison. University of Georgia. Athens, GA Sarah Maldonado. Creekwood Middle School, Kingwood, TX Andrew Sailor. Osceola Middle School, Ocala, FL Rachel Abadilla. Carteret High School, Carteret, NJ Alexandra Hammond. Osceola Middle School, Ocala,FL Carter Galbraith. Brookstone High School, Columbus GA Spencer Page. Chaparral High School, Parker, Colorado Sara Lochore. Creekwood Middle School, Kingwood, TX Alexander Kwok, South Pasasdena Middle School, South Pasadena Rebeca. Pan American School of Bahia, Salvador, Bahia, Brazil Paula. Pan American School of Bahia, Salvador, Bahia, Brazil Jonathan Renfrow. Creekwood Middle School, Kingwood, TX Julie Strang. Orlando, FL Ashley Card. Osceola Middle School, Ocala, FL Lei Hok Kwee, Jakarta, Indonesia Cathleen Costa. Somerset, Ma Chuck Kennedy Josh Gow. Sauk Centre HS, Sauk Centre, MN Charlotte Fowler. Daniel Webster High School Andrew Douds. Walkersville, MD Freddy Tsao. South Pasadena Middle School, South Pasadena, CA Wendy Resch. Valencia Community College Eric Ravache. Pan American School Bahia, Salvador, Bahia, Brazil. Mary Smith. Valencia Community College, Osceola Campus Cong Tian. Sachem North High School Shura Watson. Valencia  Community College, Kissimmee, FL John Jones Jr. Belleville East High School, Belleville, IL Annabel Otero. VCC, Kissimmee, FL Jennifer Rogers. Kissimmee, FL Rodrigo Santos. Pan American School of Bahia, Bahia, Brazil Ana Vitoria Suarez. Pan American School of Bahia, Salvador, BA Allysha Silva. Hastings Middle School, MA Jennifer Saum. Valencia Community College, Kissimmee, FL Neila Bazaracai. North Toronto Collegiate Institute, Toronto, Ontario, Canada Anhang Zhu. Homestead High School, Sunnyvale CA
	48% of respondents successfully answered this problem.

 

 Last Updated On: 11/16/05