Seattle Infinity Math Circle

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Puzzles Archive
Puzzle #4: February/March 2007 (Author: Joy Zheng)
What do the following phrases have in common? (New phrase will be added every 2 weeks)
1). The Game
2). Locked Rooms
3). The Moor
4). Oh Jerusalem
 
Puzzle #3: October 2007 (Author: Joy Zheng)
Instructions: Each of these sets is a group of words belonging to a particular category. Find the missing word in each of the sets. Some sets may only have one possible missing words; others may have multiple missing words. You will need to decide which missing word is most appropriate.
The missing words also comprise a group. When you submit your answer, describe the category encompassing all the missing words. (the category is your final answer) All of the missing words are common words in the english language.
Anything in parentheses is a clue to the missing word for that set.
1). Second, Hour, Day, Week, Month, Year
2). Lime, Lemon, Grapefruit
3). City, County, State, Country, Continent
4). Run, Sit, Walk, Jog, March (MathCounts)
5). Jazz, Hip-hop, Lyrical,
6). Asparagus, Lettuce, Spinach, Cabbage (a spice)
7). Monarch, Tiger, Skipper, Sulphur, Swallowtail, Metalmark (Peridae)
 
Puzzle #2: August 2007 (Author: Joy Zheng)
Instructions: This is a basic logic puzzle. The puzzle that reveals the answer to one of the blank slots in the clues section will be posted daily here. It will be indicated which of the slots it corresponds to. "Hidden" means that the puzzle/answer is hidden somewhere on the webpage. 
 
Five girls (Amber, Jenny, Jillian, Laura, and Michelle) had five difference desserts on five different days in August. The desserts were made with five different fruits and the girls ate in five different cities (including Washington, D.C.) while watching five different sports games. Give the name of each girl, the fruity dessert they ate, the city they ate in, the sport they were watching, and the order of the days when they ate dessert.

1). No dessert had the same first letter as the fruit that it was made with.

2). _August 1_ (person) and _August 24_ (person) had dessert on the same coast.

3). _August 5_ (person) had _August 4_ (dessert) for lunch _August 3_ (number).

4). _August 15_ (person) dislikes tree fruits.

5). _August 17_ (person), who had lunch last, ate in _August 29_ (city).

6). _August 19_ (person) never eats anything that comes in red.

7). The _August 6_ (fruit) were eaten in _August 7_ (city).

8). _August 2_ (person) refuses to watch any sport involving a ball.

9). The person who ate _August 8_ (fruit) ate _August 25_ (number).

10). Non-watermelon _August 16_ (dessert) was eaten _August 9_ (number).

11). _August 26_ (person) didn’t have _August 18_ (fruit).

12). _August 12_ (fruit) _August 20_ (dessert) was eaten _August 13_ (number).

13). The _August 22_ (fruit) were eaten in _August 28_ (city).

14). The _August 11_ (sport) game was watching in _August 31_ (city).

15). The _August 10_ (dessert)  was eaten in _August 21_ (city).

16). _August 30_ (sport) was watched in _August 14_ (city).

17). _August 27_ (person) dislikes _August 23_ (game).
 
Puzzle #1- July 2007 (Author: Joy Zheng)
Hmmm...jelly slugs have been spotted writing the following message all over the website:
"20-8-5   1-4-22-5-14-20-21-18-5   15-6   20-8-5   10-5-12-12-25   19-12-21-7-19"   3-15-13-9-14-7   19-15-15-14   20-15   1   23-5-2-19-9-20-5   14-5-1-18   25-15-21!  
Do you know what it means?
Answer: "The adventure of the jelly slugs" coming soon to a website near you!
Winner: TBA
Runner-Up: Eric Chen