By Bayes theorem:
P(II∣R)=P(I)P(R∣I)+P(II)P(R∣II)P(II)P(R∣II)
=21⋅73+21⋅11521⋅115
=143+225225
LCD = 154: =33/154+35/15435/154=6835.
CUET UG 2022 — Mathematics Algebra
Bag I contains 3 red and 4 black balls while another Bag II contains 5 red and 6 black balls. One ball is drawn at random from one of the bags and it is found to be red. The probability that it was drawn from Bag II is :
Held on 7 Aug 2022 · Verified 13 Jul 2026.
6835
6833
681
351
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