Neco 2019 Computer Studies Question 41
Practice objective / multiple choice question 41 from the 2019 Neco Computer Studies examination.
A \(4\)-digit PIN consists of digits \(0\)-\(9\). The system requires that the PIN have no repeated digit and must not be a sequential ascending or descending series (e.g., 1234 or 4321). How many valid PINs are possible?
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About This Question
This is Neco 2019 Computer Studies Question 41. It is one of the objective questions from the 2019 Neco Computer Studies examination.
Difficulty level: Medium .
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