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Each student in a school was assigned a 3-digit code consisting of three different numerals from the set {1, 2, 3, 4, 5, 6, 7, 8). If no code was assigned to more than one student, if all those codes that involve three consecutive numerals were not assigned to any student, and if all the other 3-digit codes got used up, what was the number of students in the school?
Options :-
- 20
- 56
- 300
- 330
- 336
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