Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Bag A contains 2 white, 1 black and 3 red balls and bag B contains 3 black, 2 red and n white balls. One bag is chosen at random and 2 balls drawn from it at random, are found to be 1 red and 1 black. If the probability that both balls come from Bag A is 
, then n is equal to_____.
Text Solution
Verified by ExpertsThe correct answer is:
C
E 1 = denotes selection for 1 st bag
E 2 = denotes selection for 2 nd bag
A = selected balls are 1 red & 1 black
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