Solution:
The question stem speaks of "four different digits" and hence you cannot assume they are repeated.
Such traps are frequently used by test takers and you have to careful of the keywords in the question stem.
A company plans to assign identification numbers(Why no repetition allowed)? Print
Modified on: Tue, 12 Oct, 2021 at 12:09 PM
Did you find it helpful? Yes No
Send feedbackSorry we couldn't be helpful. Help us improve this article with your feedback.