probability questions Practice Question and Answer

Q:

9 persons are seated around a round table. What is the probability that two particular persons sit together?

1069 0

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    Correct
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Answer : 1. ""

Q:

A bag contains 30 balls, numbered 1 to 30. Two balls are drawn at random. What is the probability that the balls drawn contain a number which is multiple of 4 or 6 but not a multiple of both?

1452 0

  • 1
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    Wrong
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    Correct
    Wrong
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    Correct
    Wrong
  • 4
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 5. "None of these"

Q:

In a lottery, there are 7 prizes and 21 blanks. If a lottery is drawn at random, then what is the probability of getting a prize?

828 0

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Answer : 3. ""

Q:

A glass jar contains 6 white, 8 black, 4 red and 3 blue marbles. If a single marble is chosen at random from the jar, what is the probability that it is black or blue?

956 0

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Answer : 2. ""

Q:

Five dice are tossed together. What is the probability of getting different faces in all of the dice?

772 0

  • 1

    6!/6

    Correct
    Wrong
  • 2

     6!/65

    Correct
    Wrong
  • 3

    5!/65

    Correct
    Wrong
  • 4

    5!/66

    Correct
    Wrong
  • 5

    6!/5

    Correct
    Wrong
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Answer : 2. "

 6!/65

"

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