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Cards marked 1, 3, 5 .... 49 are placed ...

Cards marked 1, 3, 5 .... 49 are placed in a box and mixed thoroughly. One card is drawn from the box. Find the probability that the number on the card is :
not a perfect square

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CBSE COMPLEMENTARY MATERIAL-PROBABILITY-LONG ANSWER TYPE QUESTIONS
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  9. A die is thrown twice. Find the probability that: 5 will not come up...

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  10. Cards marked 1, 3, 5 .... 49 are placed in a box and mixed thoroughly....

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  11. Cards marked 1, 3, 5 .... 49 are placed in a box and mixed thoroughly....

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  12. Cards marked 1, 3, 5 .... 49 are placed in a box and mixed thoroughly....

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  15. Red queens and black jacks are removed from a pack of 52 playing cards...

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