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A bag contains red balls and some blue b...

A bag contains red balls and some blue balls. If the probability of drawing a blue ball is double that of a red ball, determine the number of blue balls in the bag.

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KALYANI PUBLICATION-PROBABILITY-EXERCISE
  1. a bag contains 7 red 5 white and 3 black balls. A ball is drawn at ran...

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  2. a bag contains 7 red 5 white and 3 black balls. A ball is drawn at ran...

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  3. A bag contains red balls and some blue balls. If the probability of dr...

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  4. A bag contains 5 red balls and some Blue balls if the probability of d...

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  5. find the probability of getting 53 Sundays in a leap year.

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  6. Two coins are tossed simultaneously. Find the probability of getting e...

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  7. Three unbiased coins are are tossed simultaneously. Find the probabili...

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  8. two unbiased coins are tossed simultaneously find the probability of g...

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  9. two unbiased coins are tossed simultaneously find the probability of g...

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  10. two unbiased coins are tossed simultaneously find the probability of g...

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  11. two dice are thrown simultaneously find the probability of getting the...

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  12. two dice are thrown simultaneously find the probability of getting the...

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  13. two dice are thrown simultaneously find the probability of getting a n...

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  14. two dice are thrown simultaneously find the probability of getting tot...

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  15. two dice are thrown simultaneously complete the table.

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  16. it is given that in a group of 3 students the probability that 2 stude...

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  17. A card is drawn at random from a well-shuffled Deck of 52 cards find t...

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  18. A card is drawn at random from a well- shuffled Deck of 52 cards find ...

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  19. A card is drawn at random form of will shuffled Deck of 52 cards find ...

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  20. A card is drawn at random from a well- shuffled Deck of 52 cards find ...

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