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A box contains 90 discs which are number...

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears (ii) a perfect square numbers

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A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears a perfect square.

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R G PUBLICATION-PROBABILITY-EXERCISE
  1. A lot of 20 bulbs contain 4 defective ones. One bulbs is drawn at rand...

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  2. A box contains 90 discs which are numbered from 1 to 90. If one disc i...

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  3. A box contains 90 discs which are numbered from 1 to 90. If one disc i...

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  4. A box contains 90 discs which are numbered from 1 to 90. If one disc i...

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  5. A child has a die whose six faces show the letters as given below : ...

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  6. A child has a die whose six faces show the letters as given below : Th...

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  7. Suppose you drop a die at random on the rectangular region shown in Fi...

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  8. A lot consists of 144 ball pens of which 20 are defective and the othe...

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  9. A lot consists of 144 ball pens of which 20 are defective and the othe...

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  10. A game consists of tossing a one rupee coin. 3 times and noting its ou...

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  11. A die is throw twice. What is the probability that (i) 5 will come up ...

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  12. A die is throw twice. What is the probability that (ii) 5 will come up...

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  13. Which of the following arguments are correct and which are not correct...

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  14. Which of the following arguments are correct and which are not correct...

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  15. Two customers Shyam and Ekta are visiting a particular shop in the sam...

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  16. Two customers Shyam and Ekta are visiting a particular shop in the sam...

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  17. Two customers Shyam and Ekta are visiting a particular shop in the sam...

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

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  19. A box contains 12 balIs out of which x are black.If one ball is drawn ...

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  20. A jar contains 24 marbles, some are green and others are blue. If a ma...

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