Designed for elementary and middle school students	The Tunnel How long will it take a mile long train going 20 miles per hour to get completely through a 2-mile long tunnel?
December 5, 2005
Past Problems
	E-mail Solutions to: brainteaser@umassd.edu
	Names will only be posted for students in elementary and middle school
	Correct Solutions
	Garrett Messier. Hastings Middle School, Fairhaven, MA Alicia Li. Wilson Elementary School, Anoka, MN David Lu. Rego Park Elementary School, Rego Park, NY Phillip Ai. Hammarskjold Middle School, East Brunswick, NJ Sahit Bollineni. Highmeadow Common Campus, Farmington Hills, MI Yee-Lum Mak. South Pasadena Middle School, South Pasadena, CA Rohit Bollineni. Power Middle School, Farmington Hills, MI Matthew DeCoste. La Canada Middle School, La Canada, CA Michelle Huang. T.H. Rogers, Houston, TX Vajrang Vemulapalli. Anderson School, Plano, TX Brian Chan. Summit Middle School, Coquitlam, BC Mridul Singh. KV, HV, Shillong, Meghalaya, India Jeremy Dresslaer. Clever Middle School, Clever, MO Asher Tuggle. Colorado Springs, CO Alexis Cambra. Fairhaven Public Schools, Fairhaven, MA Paige Cambra. Fairhaven Public Schools, Fairhaven, MA Raymond Lawton. Hastings Middle School, Fairhaven, MA David Shi. JLS Middle School, Palo Alto, CA Baris Demirlioglu. The Harker School, San Jose, CA Becca Neeland. Pembroke Intermediate School, Corfu, NY Collin Lewis. Pembroke Intermediate School, Corfu, NY Jessica Urban. Pembroke Intermediate School, Corfu, NY Jessica Rudnick. Pembroke Intermediate School, Corfu, NY Danielle Sharick. Pembroke Intermediate School, Corfu, NY Thomas Medal. Our Lady of Sorrows, Toronto, Ontario, Canada Roman Zyla. Our Lady of Sorrows, Toronto, Ontario, Canada Harrison Taylor. Our Lady of Sorrows, Toronto, Ontario, Canada Hunter Azarias Fenn. International School Of Uganda, Uganda, Africa Nick Cacciavillano. Beck Middle School, Cherry Hill, NJ Michael Rubinson. Beck Middle School, Cherry Hill, NJ Nelly Mac. Beck Middle School, Cherry Hill, NJ Jack Jefferson. International School of Uganda, Uganda, Africa Tara Franz. Blue Mountain Elementary, Maple Ridge, BC, Canada Jenna Lawson. Pembroke Intermediate School, Corfu, NY Mike Schetinin. Pembroke Intermediate School, Corfu, NY Brenden VonKramer. Pembroke Intermediate School, Corfu, NY A.J. Deprezio. Lawrence Junior High, Falmouth, MA Aaron Rose. Hastings Middle School, Fairhaven, MA Van Vo. Sacred Heart School, Melrose Park, IL Sanjana Nidugondi. Fairlands Elementary, Pleasanton, CA Ralph Downey. Kent, WA Sami Phillips. Pembroke Intermediate School, Corfu, NY Shivam Sarodia. Normandy Elementary, Centerville, OH Conor Peal. Freetown Lakeville Middle School, Lakeville, MA Paul Coulter. Freetown Lakeville Middle School, Lakeville, MA Kayla Conforti. Dunmore Middle School, Dunmore, PA Sheyi Alamou. International School of Uganda, Uganda, Africa Evan Case. Freetown Lakeville Middle School, Lakeville, MA Cassie Smith. Freetown Lakeville Middle School, Lakeville, MA Evan Field. Freetown Lakeville Middle School, Assonet, MA
	41% of respondents successfully answered this problem.

 

 Last Updated On: 12/19/05