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A box contains 30 tickets , bearing o...

A box contains 30 tickets , bearing only one number form 1 to 30 on each . If one ticket is drawn at random , find the probability of an event that the ticket drawn bears
a complete square number .

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The correct Answer is:
` therefore P(B) = (n(B))/(n(S)) = (5)/(30) =(1)/(6)`
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UNIQUE PUBLICATION-PROBABILITY -PROBLEM SET 5
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  2. In n(A) =2, P(A) = (1)/(5), then n( S) = ?

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  9. A box contains 5 red, 8 blue and 3 green pens. Rutuja wants to pick ...

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  10. A box contains 30 tickets , bearing only one number form 1 to 30 o...

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  11. A box contains 30 tickets , bearing only one number form 1 to 30 o...

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  12. A game of chance consists of spinning an arrow which comes to rest po...

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  13. There are six cards in a box, each bearing a number from 0 to 5 . Find...

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  14. A bag contains 3 red, 3 white and 3 green balls. One ball is taken ...

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  15. Each card bears one letter from the word 'mathematics'. The cards are...

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  17. A two digit number is to be formed the digit 0,1,2,3,4. Repetition...

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  18. A two digit number is to be formed the digit 0,1,2,3,4. Repetition...

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  19. A two digit number is to be formed the digit 0,1,2,3,4. Repetition...

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  20. The faces of a die bear number 0,1,2,3,4,5. If the die is rolled twi...

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