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| Basic Bewilderment (Posted on 2011-06-19) |
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All the positive integers from 1 (base ten) to 2011 (base ten) are expressed alternately in base ten and base 12 and, written successively without commas and spaces resulting in this string.
123456789A1110131215141716.......11B4200911B62011
(I) Reading left to right, what is the 2011th digit in the above string?
(II) Reading right to left, what is the 2011th digit in the above string?
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Submitted by K Sengupta
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Solution:
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(I) Reading left to right, the 2011th digit in the above string is 6.
(II) Reading right to left, the 2011th digit in the above string is A.
For a detailed explanation, refer to the solution submitted by
Charlie in this location.
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