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A box contains 4 red balls, 5 green ball...

A box contains 4 red balls, 5 green balls and P white balls. If the probability of randomly picked ball from the box to be a red ball is `1/3`, then find the number of white balls.

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VGS PUBLICATION-BRILLIANT-PROBABILITY-EXERCISE
  1. What is the probability of a number picked from first twenty natural n...

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  2. A bag contains balls which are numbered from 1 to 50. A ball Is drawn ...

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  3. A box contains 4 red balls, 5 green balls and P white balls. If the pr...

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  4. A bag contains 7 red, 5 white and 6 black balls. A ball is drawn from ...

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  5. There are 100 flash cards labelled from 1 to 100 in a bag. When a card...

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  6. A shopkeeper has 100 memory cards in a box. Among then, 15 memory card...

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  7. A bag contains 5 red balls and some blue balls, If the probability of ...

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  8. Two dice are rolled at same time and the sum of the numbers appearing ...

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  9. A bag contains some square cards. A prime number between 1 and 100 ha...

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  10. From the deck of 52 cards, if a card is randomly chosen , find the pro...

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  11. If two dice are thrown at the same time, find the probability of getti...

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  12. From a pack of 52 playing cards, Jacks, Queens, Kings and Aces of red ...

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  13. Suppose you drop a die at random on the rectangular region shown in fi...

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  14. In a class 32 students out of 60 take tea. So find the probability of ...

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  15. IF P( E) =3//4 what is the probability of " not E"?

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  16. There are 3 red and 4 white balls in a bag. If a ball is taken random...

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  17. Find the probability of existing 53 sundays in a common year.

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  18. In a 50 marks examination,there is 80% possibility to pass in that exa...

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  19. A bag contains 5 red and 8 white balls . If a ball is drawn a random f...

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  20. In a skinner numbered from 1-20, find the probability of getting of f...

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