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Question

A bag contains 4 white and 2 black balls and another bag contains 3 white and 5 black balls. If one ball is drawn from each bag, then the probability that one ball is white and one ball is black is

A
524
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B
1324
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C
14
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D
23
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Solution

The correct option is A 1324
Solution:
P(one ball is white and one ball is black)=P(black ball from bag 1 and white ball from bag 2 or white ball from bag 1 and black ball from bag 2)
=26×38+46×58
=2648=1324
Hence, B is the correct option.

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