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?
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 |