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Lock code: 3 different digits 0–5; 0 may lead. Report=(digits present,of these in place):135→(2,1),034→(2,0),250→(2,0). Find the code.

A302
B305
C325
D103
Answer & Solution
Correct answer: B. 305
The digit set is0,3,5; the no-place reports force0 to the middle,then135 forces5 last, giving305.
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