Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Three urns A, B and 
contain 7 red, 5 black; 5 red, 7 black and 6 red, 6 black balls, respectively. One of the urn is selected at random and a ball is drawn from it. If the ball drawn is black, then the probability that it is drawn from urn 
is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
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