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Six boys and six girls sit in a row rand...

Six boys and six girls sit in a row randomly. Find the probability that (i) the six girls sit together, (ii) the boys and girls sit alternately.

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The correct Answer is:
(i)`1/132` (ii) `1/462`
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MODERN PUBLICATION-PROBABILITY-EXERCISE 16 (C ) LONG ANSWER TYPE QUESTIONS LATQ
  1. A fair coin with 1 marked on one face and 6 on the other and a fair di...

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  2. In a simultaneously toss of two coins, find the probability of: (i) ...

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  3. Three unbiased coins are tossed once. Find the probability of getting:...

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  4. A die is thrown once. If probabililty of an event X is denoted by P(X)...

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  5. In a single throw of two dice,find: , (i) P (odd number on first die ...

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  6. A pair of fair dice are thrown. Find the probability that the sum is 1...

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  7. In a single throw of three dice, find the probability of getting: (i...

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  8. (i) In a single throw of two dice, deermine te probabililty of a obtai...

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  9. Find the probability of getting the product of a perfect square (squa...

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  10. (i) Two dice are thrown together. What is the probability that the sum...

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  11. One card is drawn from a well shuffled deck of 52 cards. If each outco...

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  12. Find the probability that in a random arrangement of the letters of th...

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  13. A bag contains 9 discs of which 4 are red. 3 are blue and 2 are yel...

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  14. Two coins are tossed simultaneously. Complete the following table:

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  15. Two dice are tossed simultaneously. Complete the following table:

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  16. Three coins are tossed simultaneously. Write the sample space and comp...

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  17. An urn contains 9 red, 7 white and 4 black balls. A ball is drawn at r...

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  18. Six boys and six girls sit in a row randomly. Find the probability tha...

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  19. A coin is tossed thrice. If event E denotes the number of heads is odd...

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  20. (i) What is the probability that the numbers selected from the numbers...

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