Grade 12 Math Mystery Cache
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Size: 
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The cache is not at the posted coordinates. You must solve the puzzle below to discover the coordinates.
I was helping my sister with her grade 12 math homework - well, trying to help would probably be more accurate - and decided that local geocachers could use a refresher, so here it is.
Hope this brings back the joys (and pains) of high school.
The cache can be found at:
N45 AB.CDE W75 FG.HIJ
Answer the following questions:
A theme park has a variety of rides. There are seven roller coasters, four water rides, and nine story rides. If you wanted to try one of each type, how many different combinations of rides could you choose?
Answer is in form of xyz, with x equaling A
A company wants to estimate the average number of sick days its employees take per year. A pilot study found the standard deviation to be 2.5 days. How large a sample must be taken to obtain an estimate with a maximum error of 0.5 day and a 90% confidence level?
Answer is in form xy which equals BC
Canada uses a six character postal code (first, third and fifth are letters, while second, fourth, and sixth are digits), while the USA uses a five digit zip code. How many more possibilities does Canada’s system have over the American system?
Answer is in form mn,opq,rst with s equaling D
Statistics on the grade-12 courses taken by students graduating from a secondary school showed that:
- 85 of the graduates had taken a science course
- 75 of the graduates had taken a second language
- 41 of the graduates had taken mathematics
- 43 studied both science and a second language
- 32 studied both science and mathematics
- 27 had studied both a second language and mathematics
- 19 had studied all three subjects
How many students studied mathematics, but neither science nor a second language?
Answer is in the form of x, which equals E
Of 48 randomly tagged deer, 26 were does (females), 22 were bucks, and 7 of the bucks had cross-hatched antlers. What are the odds in favor of a captured deer being a cross-hatched buck?
Answer is in form of x:yz, with yz equaling FG
A marketing survey of consumer’s soft-drink preferences collected the following data:
- 75 liked cola, 65 liked ginger ale, and 32 like spring water
- 43 liked cola and ginger ale
- 13 like cola and spring water
- 15 liked ginger ale and spring water
- 7 liked all three and 12 liked none of them
How many people were surveyed?
Answer is in form of xyz, with z equaling H
A computer has been programmed to draw a rectangle with perimeter of 24 cm. The program randomly chooses integer lengths. What is the expected value of the area of the rectangle?
[NOTE: Assume that 0 is not a possible integer.]
Answer is in form of xy, with xy equaling IJ
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