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The Last Three Digits (Posted on 2007-08-28) Difficulty: 3 of 5
A number and its square both have the same last three digits. What are the possibilities for those digits?

See The Solution Submitted by Brian Smith    
Rating: 4.0000 (3 votes)

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Solution Solution | Comment 6 of 9 |
Combining efforts of Charlie and Paul gives possible answers of

-963; -625; -421; -376; -205; -060; -050; -010; -001; 000;
001; 010; 050; 060; 205; 376; 421; 625; and 963.
  Posted by Vernon Lewis on 2007-08-29 01:10:04
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