If six times the number permutations of n things taken 3 at a time is equal to seven times the number of permutations of (n − 1) things taken 3 at a…
CA Foundation · Quantitative Aptitude · MTP · April 2025
If six times the number permutations of n things taken 3 at a time is equal to seven times the number of permutations of (n − 1) things taken 3 at a time, find n.
Suggested Answer and Working Notes:
Correct Answer: Option (A)
A. 21
Topics: Part-A: Business Mathematics
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