Designed for elementary and middle school students	Digital Clock 12:34     You have a digital clock that shows only hours and minutes.  How many different readings between 11:00 AM and 5:00 PM (of the same day) contain at least two 2s in the time?
February 6, 2006
Past Problems
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	Names will only be posted for students in elementary and middle school
	Correct Solutions
	Jaimie Fan. Fairview Elementary School, Mountain Top, PA Sahit Bollineni. Highmeadow Common Campus, Farmington Hills, MI Rohit Bollineni. Power Middle School, Farmington Hills, MI Phillip Ai. Hammarskjold Middle School, East Brunswick, NJ Becca Neeland. Pembroke Intermediate School, Corfu, NY Kunal Singh. Kendriya Vidyalaya, Happy Valley, Shillong, India Courtney Allen. Rye Junior High, Rye, NH Jessica Fan. Fairview Elementary School, Mountain Top, PA Daniel Nobel. International school of Uganda, Kampala, Uganda David Shi. JLS Middle School, Palo Alto, CA Jenna Lawson. Pembroke Intermediate School, Corfu, NY Michael Deng. Jarretown Elementary School, Jarretown, PA Masataka Motizuki. Nakasitara ES, Aichi, Japan Natumi Yawata. Nakasitara ES, Aichi, Japan Vicky Enouiti. Valencia, Kissimmee, FL Shivam Sarodia. Normandy Elementary, Centerville, OH Osman Osman. International School of Uganda, Uganda Chris Curnow. International School of Uganda, Uganda Alanna Pappas. Freetown Lakeville Middle School, Assonet, MA Rohan Palanki. Hawks Rise Elementary School, Tallahassee, FL Irene Perantoni. Athens College Middle School, Psychico, Athens, Greece Allison Wang. Harker School, San Jose, CA Conor Peal. Freetown Lakeville Middle School, Lakeville, MA Yoganand Guruswamy. Hart Middle School, Pleasanton, CA Lauren Durkin. York Middle School, York, ME Haley Hagood. York Middle School, York, ME Danielle Simpson. York Middle School, York, ME Monica Giuffrida. Ormond Beach Middle School, Ormond Beach, FL Loryn Moynihan. Freetown-Lakeville Middle School, Lakeville, MA
	35% of respondents successfully answered this problem.

 

 Last Updated On: 2/13/06