If n C r-1 = 28, n C r = 56, n C r+1 = 70, then the value of n and r are
CA Foundation · Quantitative Aptitude · PYQS · January 2026
If n C r-1 = 28, n C r = 56, n C r+1 = 70, then the value of n and r are
Suggested Answer and Working Notes:
Correct Answer: Option (A)
A. n = 8, r = 3
Topics: Part-A: Business Mathematics
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