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Cards numbered from 11 to 60 are kept...

Cards numbered from 11 to 60 are kept in a box. If a card is drawn at random from the box, find the probability that the number on the drawn cards is (i) an odd number (ii) a perfect square number (iii) divisible by 5. (iv) a prime number less than 20.

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The correct Answer is:
`(i) (1)/(2), (ii) (2)/(25), (iii) (1)/(5), (iv) (2)/(5)`
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