Home
Class 12
MATHS
Suppose we have four boxes A, B,C,D cont...

Suppose we have four boxes A, B,C,D containing coloured marbles as given below
one of the boxes has been selected at random and a single marble drawn from it if the marble is red what is the probability that it was drawn from
box A?

Text Solution

Verified by Experts

The correct Answer is:
`1/15`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    ARIHANT PUBLICATION|Exercise CHAPTER PRACTICE (SHORT ANSWER TYPE QUESTIONS)|34 Videos

  • MATRICES

    ARIHANT PUBLICATION|Exercise CHAPTER PRACTICE (Very Short Answer Type Questions) |56 Videos

  • QUESTION PAPER 2018

    ARIHANT PUBLICATION|Exercise SHORT ANSWER TYPE QUESTIONS (ANSWER ANY THREE QUESTIONS)|38 Videos

Similar Questions

Explore conceptually related problems

A box contains 4 orange and 4 green balls, another box contains 3 orange and 5 groen balls, one of the two box is selected at random and a ball is drawn from the box, which is found to be orange. Find the probability that the ball is drawn from the first box.

A box contains 2 gold and 3 silver coins. Another box contains 3 gold and 3 silver coins. A box is is chosen at random and coin drawn from it. If the selected coin is a gold coin, then find the probability that it was drawn from second box.

A bag A contains 2 white and 3 red balls and another bag B contains 4 white and 5 red balls. One ball is drawn at random from a bag chosen at random and it is found to be red. Find the probability that it was drawn from bag B .

Bag I contains 3 red and 4 black balls and bag II contains 5 red and 6 black balls. One ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag Il.

ARIHANT PUBLICATION-PROBABILITY-CHAPTER PRACTICE(LONG ANSWER TYPE QUESTIONS)
  1. Bag I contains 3 red and 4 black balls and bag II contains 5 red and 6...

    Text Solution

    |

  2. Three bags contains a number of red and white balls as follows. Bag I ...

    Text Solution

    |

  3. Three bags contains a number of red and white balls as follows. Bag I ...

    Text Solution

    |

  4. Suppose we have four boxes A, B,C,D containing coloured marbles as giv...

    Text Solution

    |

  5. Suppose we have four boxes A, B,C,D containing coloured marbles as giv...

    Text Solution

    |

  6. Suppose we have four boxes A, B,C,D containing coloured marbles as giv...

    Text Solution

    |

  7. A factory has two machines A and B. Past record shows that machine A p...

    Text Solution

    |

  8. In a bulb factory, machines A, B and C manufacture 60%, 30% and 10% bu...

    Text Solution

    |

  9. There are three coins. One is a two tailed coin (having tail on both f...

    Text Solution

    |

  10. Suppose 5% of men and 0.25% of women have grey hair. A grey haired per...

    Text Solution

    |

  11. A man is known to speak truth 3 out of 4 times. He throws a die and re...

    Text Solution

    |

  12. Let d(1), d(2) and d(3) be three mutually exclusive diseases. Let S ...

    Text Solution

    |

  13. A crime is committed by one of two suspects A and B initially, there i...

    Text Solution

    |

  14. A letter is known to have come either from LONDON or CLIFTON. On the e...

    Text Solution

    |

  15. A letter is known to have come either from LONDON or CLIFTON. On the e...

    Text Solution

    |

  16. A class has 15 students whose ages are 14, 17, 15, 14, 21, 17, 19, 20,...

    Text Solution

    |

  17. From a box containing 32 bulbs out of which 8 are defective 4 bulbs ar...

    Text Solution

    |