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Um A contains 6 red and 4 black balls an...

Um A contains 6 red and 4 black balls and um B contains 4 red and 6 black balls. One ball is drawn at random from um A and placed in um B. Then one ball is drawn at random from um B and placed in um A . If one ball is now drawn from um A, the probability that it is found to be red is

A

`32//55`

B

`33//55`

C

`32//63`

D

25/66

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1C
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  2. Bag A contains 2 red, 3 black balss. Bag B contains 3 red, 2 black bal...

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  3. Um A contains 6 red and 4 black balls and um B contains 4 red and 6 bl...

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  4. A box contains 3 red and 7 white balls. One ball is drawn at random an...

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  13. A bag contains six balls. Two balls are drawn and found them to be red...

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  14. An urn contains 5 white and 3 black balls and 4 balls are drawn at ran...

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  15. Three boxes numbered, I, II, III contain balls as follows {:(,"White...

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