Home
Class 14
MATHS
If 3 balls are drawn at random what is t...

If 3 balls are drawn at random what is the probability that all are black ?

A

`2/23`

B

`1/11`

C

`3/11`

D

`8/33`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PRACTICE SET-9

    UPKAR PUBLICATION |Exercise Part- III (Quantative Aptitude )|50 Videos

  • PROBLEM BASED ON AGES

    UPKAR PUBLICATION |Exercise QUESTION BANK|70 Videos

Similar Questions

Explore conceptually related problems

A box contains 2 blue, 3 green and 5 red balls . If three balls are drawn at random , what is the probability that all balls are different in color ?

There are 5 black and 6 red balls in a bag. If 3 balls are drawn at random, find the probability that these balls are black.

A box contains 5 red 4 green & 6 black balls .If 3 balls are drawn at random. Find the probability that all balls are red colour .

A bag contains 6 black, 6 red and 8 white balls. Two balls are drawn at random. What is the probability that atleast one of the balls drawn is white?

A bag contains 6 red 8 black and 4 white balls. A ball is drawn at random. What is the probability that ball drawn is not black?

A bag contains 13 white and 7 black balls. Two are drawn at random . What is the probability that they are of the same colour ?

A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?

UPKAR PUBLICATION -PROBABILITY-QUESTION BANK
  1. A basket contains 3 blue. 5 black and 3 red balls. If two balls are dr...

    Text Solution

    |

  2. If 2 balls are drawn at random what is the probability that one is bla...

    Text Solution

    |

  3. If 3 balls are drawn at random what is the probability that all are bl...

    Text Solution

    |

  4. The probabilities that a student passes in Mathematics, Physics and Ch...

    Text Solution

    |

  5. If the integers m and n are chosen at random between 1 and 100, then t...

    Text Solution

    |

  6. There are four calculators and it is known it is known that exactly tw...

    Text Solution

    |

  7. If from each of the three boxes containing 3 white and 1 black, 2 whit...

    Text Solution

    |

  8. Seven white balls and three black balls are randomly placed in a row. ...

    Text Solution

    |

  9. A box contains 3 white and 2 red balls. If first drawing ball is not r...

    Text Solution

    |

  10. A rifleman is firing at a distant target and has only 10% chance of hi...

    Text Solution

    |

  11. A six-faced dice is so biased that it is twice as likely to show an ...

    Text Solution

    |

  12. The chance of throwing a total of 3 or 5 or 11 with two dice is-

    Text Solution

    |

  13. If the probabilities for A to fail in an examination is 0.2 and that f...

    Text Solution

    |

  14. The probability of occurrence of an event A is 5/9. The probability of...

    Text Solution

    |

  15. The probability that a man will live 10 more years is 1/4 and the prob...

    Text Solution

    |

  16. A fair coin is tossed 100 times. What is the probability of getting ta...

    Text Solution

    |

  17. The probability that a person will hit a target in shooting practice i...

    Text Solution

    |

  18. A and B are two independent events.The probability that both A and B o...

    Text Solution

    |

  19. The probability that a marksman will hit a target is given as (1)/(5)....

    Text Solution

    |

  20. A natural number is selected at random from the set x = {x : 1 le x le...

    Text Solution

    |