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A bag contains 3 red, 4 white and 5 blue...

A bag contains 3 red, 4 white and 5 blue balls. All balls are different two balls are drawn at random. the probability that they are of different colour is a. 47/66            b. 10/33            c. 1/3          d. 1

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RD SHARMA ENGLISH-PROBABILITY-All Questions
  1. The probability of getting  total of 10 in a single throw of two dice ...

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  2. A card is drawn at random from a pack of 100 cards numbered 1 to 10...

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  3. A bag contains 3 red, 4 white and 5 blue balls. All balls are diffe...

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  4. Two dice are thrown together. The probability that neither they sho...

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  5. Four persons are selected at random out of 3 men, 2 women and 4 chi...

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  6. Two events A and B have probabilities 0.25 and 0.50, respectively. The...

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  7. A die is rolled, then the probability that a number 1 or 6 may appea...

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  8. Six boys and six girls sit in a row randomly. The probability that a...

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  9. The probabilities of three mutually exclusive events A, B and C are...

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  10. If ((1-3p))/2,((1+4p))/3,((1+p))/6 are the probabilities of three ...

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  11. A pack of cards contains 4 aces, 4 kings, 4 queens and 4 jacks. Two ...

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  12. If three dice are throw simultaneously, then the probability of get...

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  13. One of the two events must occur. If the chance of one is 2/3 of th...

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  14. Find the probability that a leap year will have 53 Friday or 53 Sat...

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  15. A person write 4 letters and addresses 4 envelopes. If the letters ...

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  16. A and B are two events such that P(A)=0. 25\ a n d\ P(B)=0. 50. The ...

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  17. If the probability of A failing in an examination is 1/5 and that of B...

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  18. A box contains 10 good articles and 6 defective articles. One item ...

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  19. Three integers are chosen at random from the first 20 integers. The ...

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  20. Out of 30 consecutive integers, 2 are chosen at random. the probabi...

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