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MathAqua Lakeudo Mystery Cache

This cache has been archived.

AlphaDeltaIndigo: After 10+ years and 135 finders, I am sadly retiring this cache to the Archives due to maintenance struggles and as noted by previous finder, the cache is too close to a construction site, making it impossible to return!
Huge thanks to all those who helped maintaining it over the years.
Au revoir! 👋🏻

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Hidden : 7/22/2014
Difficulty:
4.5 out of 5
Terrain:
1.5 out of 5

Size: Size:   micro (micro)

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Geocache Description:


The cache is NOT at the posted coords!

  • There are 6 stages to finding one set of coordinates [Oh! Yes! 6 stages!]. Well, if we can have multis with waypoints across international borders, then what’s a 6 stage puzzle that you have to solve sitting at home? :P
  • Final coords: North 25 05.abc East 055 10.def 
  • All the letters are unique puzzles. 
  • Logging Etiquette: Geocache hiders sometimes go through a great deal of planning to place their caches. As a result, they'd like to hear your feedback on whether you liked or disliked any aspect of the hide, or if you feel that some cache maintenance is required. Single word, acronym, or emoticon logs may be easier when you have a lot of caches to log, but it doesn't tell the hider, or other finders, anything about your adventure (or lack thereof) in finding the cache. Please keep this in mind when entering your log. (See link)
  • If you enjoyed finding the cache, please feel free to give a favourite point to the cache
  • BYOP
  • BONUS Cache: MathAqua TussSeaDoku


a =A+2 

 


b: How many squares?

 

The final answer is a 3digit number - xyz.
b = x+5


c: One is not like the others

 

c = Answer + 4


d: What number comes inside the circle?

d = Answer - 3


e: Calculus

f(z) = 4z4-3z3+15z2-9

f(y) = 7y4+38y3+7y2-200

f’(y) = 29772

f’(z) = -1+873y

e = z - 8


f: How many triangles

 

Count each figure (in image#5) uniquely.

 

z= number of triangles in black

 

y= number of triangles in red

 

f = 6 - y/(z-4)

 


Additional Hints (Decrypt)

ba gur cngu fvqr. Vg vf arkg gb gur terra cbjre obk - n zvag gva, haqre gur ynfg oevpx cnire. [SPOILER ALERT in Photos]

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)