Home
Class 12
MATHS
A bag A contains 4 black and 6 red ball...

A bag A contains 4 black and 6 red balls and bag B contains 7 black and 3 red balls. A die is thrown. If 1 or 2 appears on it, then bag a is chosen, otherwise bag B. If two balls are drawn (without replacement) from the selected bag, find the probability of one of them being red and another black.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • MEAN VALUE THEOREMS

    RD SHARMA ENGLISH|Exercise All Questions|134 Videos
  • RELATIONS

    RD SHARMA ENGLISH|Exercise All Questions|197 Videos
RD SHARMA ENGLISH-PROBABILITY-All Questions
  1. In a hockey match, both teams A and B scored same number of goals upto...

    Text Solution

    |

  2. A bag contains 3 white and 2 black balls and another bag contains 2 ...

    Text Solution

    |

  3. A bag A contains 4 black and 6 red balls and bag B contains 7 black a...

    Text Solution

    |

  4. A person has undertaken a construction job. The probabilities are 0...

    Text Solution

    |

  5. A bag A contains 5 white and 6 black balls. Another bag B contains 4 ...

    Text Solution

    |

  6. A purse contains 2 silver and 4 copper coins. A second purse contains ...

    Text Solution

    |

  7. One bag contains 4 yellow and 5 red balls. Another bag contains 6 y...

    Text Solution

    |

  8. The contents of three bags, I, II and III are s follows: Bag I:1 white...

    Text Solution

    |

  9. A unbiased coin is tossed. If the result is a head a pair of unbiased ...

    Text Solution

    |

  10. The bag A contains 8 white and 7 black balls while the bag B contains ...

    Text Solution

    |

  11. A bag contains 4 white and 5 black balls and another bag contains 3 ...

    Text Solution

    |

  12. An urn contains 10 white and 3 black balls.Another urn contains 3 whit...

    Text Solution

    |

  13. Three machinesE1, E2 and E3 in a certain factory producing electric...

    Text Solution

    |

  14. In a factory which manufactures bolts, machines A. B and C manufacture...

    Text Solution

    |

  15. Three urns contain 6 red, 4 black 4 red, 6 black and 5 red, 5 black ...

    Text Solution

    |

  16. An insurance company insured 2000 scooter drivers, 4000 car drivers ...

    Text Solution

    |

  17. A card from a pack of 52 cards is lost. From the remaining cards of th...

    Text Solution

    |

  18. Suppose a girl throws a die. If she gets a 5 or 6, she tosses a coin ...

    Text Solution

    |

  19. Given three identical boxes I, II and III, each containing two coins. ...

    Text Solution

    |

  20. Bag I contains 3 red and 4 black balls and Bag II contains 4 red an...

    Text Solution

    |