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Bag A contain 4 white and 5 blank balls....

Bag A contain 4 white and 5 blank balls. Bag B contains 5 white and 6 black balls. One bag is selected at random and a ball is drawn from it. The probability that is is white is

A

52/77

B

76/155

C

89/198

D

`7//15`

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1C
  1. A bag contains 4 tickets numbered 1,2,3,4 and another bag contains 6 t...

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  2. In the first box there re tickets marked with numbers 1,2,3,4 . In the...

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  3. Bag A contain 4 white and 5 blank balls. Bag B contains 5 white and 6 ...

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  4. Bag A contains 3 white and 2 black balls. Bag B contains 2 white and 4...

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  5. Bag A contains 8 black and 5 balls. Contain 6 black and 7 white balls....

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  6. There are two groups of subjects one of which consists of 5 Science an...

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  7. Three integers are chosen at random without replacement from the first...

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  8. Three bags contains 3 red, 4 black balls, 4 red, 5 black balls, 5 red ...

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  9. There are 2 white , 4 black balls in urn A, In urn B, there are 5 whit...

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  10. A urn A contains 3 white and 5 black balls. Another urn B contains 6 w...

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  11. Bag A contains 2 red, 3 black balss. Bag B contains 3 red, 2 black bal...

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  12. Bag A contains 2 red, 3 black balss. Bag B contains 3 red, 2 black bal...

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

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

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  15. A bag contains 5 red , 3 black ball, and another bag contains 4 red an...

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  16. A bag contains 16 coins of which two are counterfeit with heads on bot...

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  17. A is one of 6 horses entered for a race and is to be ridden by one of ...

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  18. A is one of 6 horses entered for a race and is to be ridden by one of ...

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  19. A bag contains 6 white and 4 black balls.A fair die is rolled and a nu...

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  20. A bag contains 2n coins out of which n-1 are unfair with heads on both...

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