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Mikhail's Sequence (Posted on 2004-06-13) Difficulty: 3 of 5
Mikhail, a great mathematics teacher, used to always give hard and complex sequences to his sons. After much thought, the brilliant mathematician thought that his sequences were a little too hard. So, he made another one that was easier. He showed it to his sons later that day:

6, 10, 4, 9, 6, 11

Then he asked what would be the next number in this sequence. Because there were many possibilities, the sons were stumped. So, Mikhail said, "This sequence cannot continue once you have the next number." After hearing this, the sons figured out the answer. What was the last number?

No Solution Yet Submitted by Victor Zapana    
Rating: 4.1111 (9 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
impressed by wonders! | Comment 11 of 12 |
I like this problem if indeed Penny's answer is the solution.  I personally have seen two of the seven great wonders of the world and let me say I am more impressed by this problem then both of them combined.  lol.
  Posted by john on 2005-03-14 16:31:29
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