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There are 3 red and 5 black balls in bag...

There are 3 red and 5 black balls in bag A; and red and 3 black balls in bag B. One ball is drawn from bag A; and two from bag B. Find the probability that out of the 3 balls drawn one is red and 2 are black.

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RD SHARMA ENGLISH-PROBABILITY-All Questions
  1. One bag contains 4 white and 5 black balls. Another bag contains 6 ...

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  2. There are two bags. The first bag contains 5 white and 3 black balls ...

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  3. There are 3 red and 5 black balls in bag A; and red and 3 black balls ...

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  4. Find the probability of drawing a one-rupee coin from a purse with two...

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  5. A probability of student A passing an examination is 2/9 and of studen...

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  6. X is taking up subjects Mathematics, Physics and Chemistry in the e...

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  7. A and B throw alternately a pair of dice. A wins if he throws 6 before...

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  8. Three persons A, B, C throw a die in succession till one gets a six ...

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  9. In a bolt factory, machines A, B and C manufacture respectively 25%, ...

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  10. Two thirds of the students in a class are boys and the rest girls. It ...

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  11. An urn contains m white and n black balls. A ball is drawn at random ...

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  12. A box has 5 blue and 4 red balls. One balls is drawn at random and ...

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  13. A bag contains 3 white and 2 black balls and another bag contains 2 ...

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  14. A bag contains (2n+1) coins. It is known that n of these coins have a ...

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  15. One bag contains 4 white and 5 black balls. Another bag contains 6 ...

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  16. A factory has two machines A and B. Past records show that the machine...

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  17. A company has two plants to manufacture scooters. Plant I manufactures...

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  18. A bag contains 6 red and 8 black balls and another bag contains 8 red ...

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  19. Two balls drawn from an urn containing 2 white, 3 red and 4 black ball...

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  20. An urn contains 5 white and 8 black balls. Two successive drawings of ...

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