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

A bag contains 3 white and 2 black balls and another bag contains 2 white and 4 black balls. One bag is chosen at random. From the selected bag, one ball is drawn. find the probability that the ball drawn is white.

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RD SHARMA ENGLISH-PROBABILITY-All Questions
  1. An urn contains m white and n black balls. A ball is drawn at random ...

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

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

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

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

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

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

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

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

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

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  11. A pair of dice thrown. If the two numbers appearing on them are dif...

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  12. A and B are two events such that P(A)!=0. Find P(B|A) , if (i) A is a...

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  13. A die is thrown three times, if the first throw is a four, find the ...

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  14. Two integers are selected at random from integers 1 through 11. If the...

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  15. Find the probability of drawing a diamond card in each of the two co...

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  16. A bag contains 10 white and 15 black balls. Two balls are drawn in ...

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  17. A bag contains 19 tickets, numbered from 1 to19. A ticket is drawn and...

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  18. A bag contains 5 white, 7 red and 8 black balls. If four balls are d...

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  19. Bag A contains 4 red and 5 black balls and bag B contains 3 red and 7 ...

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  20. A bag contains 5 red marbles and 3 black marbles. Three marbles are ...

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