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About the number 325, five boys said:  Andrei: "This is a 3-digit number"  Boris: "All digits are distinct"  Vick: "The sum of the digits is 10"  Greg: "The unit digits is 5"  Danny: "All digits are odd"  Which of the boys was wrong? 
Overseas Competition->Knowledge Point->Combinatorics->Logical Reasoning
2 is not odd. 