n articles are arranged in such a way that 2 particular articles never come together. The number of such arrangements is

CA Foundation · Quantitative Aptitude · MTP · April 2025
n articles are arranged in such a way that 2 particular articles never come together. The number of such arrangements is
(A) A. (n-2) n-1
(B) B. (n-1)n-2
(C) C. Ln
(D) D. none of these

Suggested Answer and Working Notes:

Correct Answer: Option (A)

A. (n-2) n-1

Topics: Part-A: Business Mathematics

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