Alice & Mariann
Kumon Math and Reading
Kumon Sunnyvale Central
433 E. El Camino
Sunnyvale, CA 94087

Kumon Santa Clara Central
238 Saratoga Ave.
Santa Clara, CA 95050

Kumon Cupertino
1550 S. De Anza Blvd.
San Jose, CA 95129

408-732-9898 Office
Email

Brain Teasers

These brain teasers are a chance for you to combine your logic and problem solving skills with what you have learned here at Kumon. New problems and solutions will be posted monthly.

Prizes will be given to the first student who submits a correct solution!

Submit your solutions to the Instructor or online HERE.

Encyclopedia

Kennedy Middle School just bought a new set of encyclopedias. The front and back covers are 1/8 -inch thick, and the pages are 1/100 -inch thick (in other words, there are 100 pages per inch). The 26-volume set has a total of 5,250 pages. If you assume there is no extra space left between books, then . . .

What length of bookshelf will the encyclopedias take up?

Previous Brain Teasers

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