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2001 digits (Posted on 2002-04-29) Difficulty: 2 of 5
A string of 2001 digits begins with a "6". Any number formed by two consecutive digits is divisible by either 17 or 23.

What is the last digit in this sequence?

What if the sequence had 2002 digits?

See The Solution Submitted by levik    
Rating: 4.3333 (6 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
missing point | Comment 3 of 9 |
Dave missed the possibility where u can
end the sequence with 8517 instead of 9234.

  Posted by vivek on 2002-05-01 06:57:27
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