The value of n-1 P r + r. n-1 P r-1 is
CA Foundation · Quantitative Aptitude · MTP · September 2024
The value of n-1 P r + r. n-1 P r-1 is
Suggested Answer and Working Notes:
Correct Answer: Option (B)
B. n! / (n-r)!
Topics: Part-A: Business Mathematics
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