An urn contains 9 balls, of which 2 are red, 3 are blue, and 4 are black. Three balls are drawn at random. The probability that all three balls are…

CA Foundation · Quantitative Aptitude · MTP · September 2026
An urn contains 9 balls, of which 2 are red, 3 are blue, and 4 are black. Three balls are drawn at random. The probability that all three balls are of the same colour is:
(A) A. 3/27
(B) B. 20/31
(C) C. 5/84
(D) D. None of these

Suggested Answer and Working Notes:

Correct Answer: Option (C)

C. 5/84

Topics: Part-C: Statistics

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

Related Questions in this Topic