15 C 3r = 15 C r+3 , then r is equal to

CA Foundation · Quantitative Aptitude · MTP · June 2024
15 C 3r = 15 C r+3 , then r is equal to
(A) A. 2
(B) B. 3
(C) C. 4
(D) D. 5

Suggested Answer and Working Notes:

Correct Answer: Option (B)

B. 3

Topics: Part-A: Business Mathematics

Open in Interactive Practice Hub · Full Practice Hub · Chapter Weightage · More in this subject

Related Questions in this Topic