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Mathematics Exam #5 - Modular (Clock) Arithmetic Mystery Cache

Hidden : 3/5/2009
Difficulty:
3 out of 5
Terrain:
1.5 out of 5

Size: Size:   micro (micro)

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Geocache Description:

This is the fifth in a series of mathematics exam puzzle caches.

Everybody loves a good mathematics exam! Here's your chance to show your proficiency at modular (clock) arithmetic. Have fun and good luck!

The cache is NOT located at the listed coordinates. It can be found at:   N 39° 25.ABC   W 083° 54.DEF
The values for A, B, C, D, E, and F may be found by figuring out the answers to the following modular (clock) arithmetic problems.






















{Note: There are multiple possible solutions for F. Use the greatest single-digit solution}.



You can check your answers for this puzzle on Geocheck.org.

Additional Hints (Decrypt)

[cache] glcvpny uvqr

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)