04-18-2014, 06:45 PM
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#48
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Digital Dancing!
    
Join Date: Feb 2006
Location: 80 billion club, NE
Age: 31
Posts: 12,980
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Re: The Puzzle Thread
Easy:
Flip this triangle upside down, but you may only touch 3 discs.
Medium:
What is the largest number you cannot make by adding multiples of 6, 9, and 20?
Medium-Hard:
What is the next number in the sequence?
1
11
21
1211
111221
312211 |
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