Home
Class 14
MATHS
If 2 balls are drawn at random what is t...

If 2 balls are drawn at random what is the probability that one is black and one is red ?

A

`2/11`

B

`8/11`

C

`9/11`

D

`3/11`

Text Solution

Verified by Experts

The correct Answer is:
D
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 bag contains 3 white and 2 red balls. One ball is drawn at random. What is the probability that the ball drawn is red?

A bag contains 30 white and 10 red balls. One ball is drawn at random. What is the probability that the ball drawn is red?

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

A bag contains 5 white and 7 red balls. One ball is drawn at random. What is the probability that ball drawn is white?

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.

There are 5 black and 4 red balls ina bag. Two balls are drawn at random. Find the probability that both balls are red.

A bag contains 3 red and 5 black balls. Two balls are drawn at random. The probability that one ball is red and other is black is P then the value of 28P - 15 is

UPKAR PUBLICATION -PROBABILITY-QUESTION BANK
  1. A card is drawn at random from a pack of 52 cards. What is the probabi...

    Text Solution

    |

  2. A basket contains 3 blue. 5 black and 3 red balls. If two balls are dr...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |