Find the value of n if (n+1)! = 42 (n−1)!

CA Foundation · Quantitative Aptitude · MTP · September 2026
Find the value of n if (n+1)! = 42 (n−1)!
(A) A. 6
(B) B. - 7
(C) C. 7
(D) D. - 6

Suggested Answer and Working Notes:

Correct Answer: Option (A)

A. 6

Topics: Part-A: Business Mathematics

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