Home
Class 14
MATHS
There are 9 pairs of white shoes and 6 p...

There are 9 pairs of white shoes and 6 pairs of black shoes contained in a box. We are allowed to draw only one shoe at a time. Minimum how many shoes are required to be drawn out to get one pair of white shoes?

A

11

B

22

C

33

D

15

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PERCENTAGES

    QUANTUM CAT|Exercise QUESTION BANK|271 Videos
  • PROBABILITY

    QUANTUM CAT|Exercise QUESTION BANK|206 Videos

Similar Questions

Explore conceptually related problems

There are 5 pairs of shoes in a cupboard from which 4 shoes are picked at random. The probability that there is at least one pair is

There are 10 pairs of shoes in a cupboard, from which 4 shoes are picked at random,then find the probability of at least one pair.

There are 12 pairs of shoes in a box. Then the possible number of ways of picking 7 shoes so that there are exactly two pairs of shoes are

There are 20 pairs of shoes in a cupboard. Ten shoes are taken at random. The probability that no complete pair is possible from the selected shoes is

Given below is the number of pairs of shoes of different sizes sold in a day by the owner of a shop What is the modal shoe-size

There are 20 pairs of shoes in a cupboard. Ten shoes are taken at random. The probability that at least four complete pairs are possible from the selected shoes is

There are 20 pairs of shoes in a cupboard. Ten shoes are taken at random. The probability that exactly three complete pairs are possible from the selected shoes is

QUANTUM CAT-PERMUTATIONS & COMBINATIONS-QUESTION BANK
  1. There are 6 numbered chairs placed around a circular table. 3 boys and...

    Text Solution

    |

  2. In how how many ways one black and one white rook can be placed on a c...

    Text Solution

    |

  3. There are 9 pairs of white shoes and 6 pairs of black shoes contained ...

    Text Solution

    |

  4. In the previous question, minimum how many shoes must be drawn out to ...

    Text Solution

    |

  5. There are four different coloured balls and four boxes of the same col...

    Text Solution

    |

  6. In the previous question (no.63) find the number of ways in which only...

    Text Solution

    |

  7. Find the number of digits required to write down the number of pages i...

    Text Solution

    |

  8. The number of different numbers that can be formed by using all the di...

    Text Solution

    |

  9. there are 5 different boxes and 7 different balls. All the 7 bal...

    Text Solution

    |

  10. there are 5 different boxes and 7 different balls. All the 7 bal...

    Text Solution

    |

  11. There are 5 different boxes and 7 different balls. All the balls are t...

    Text Solution

    |

  12. there are 5 different boxes and 7 different balls. All the 7 bal...

    Text Solution

    |

  13. there are 5 different boxes and 7 different balls. All the 7 bal...

    Text Solution

    |

  14. There are 5 different boxes and 7 different balls. All the balls are t...

    Text Solution

    |

  15. there are 5 different boxes and 7 different balls. All the 7 bal...

    Text Solution

    |

  16. There are 5 different boxes and 7 different balls. All the balls are t...

    Text Solution

    |

  17. there are 3 pots and 4 coins .All these coins are to be distribu...

    Text Solution

    |

  18. there are 3 pots and 4 coins .All these coins are to be distribu...

    Text Solution

    |

  19. there are 3 pots and 4 coins .All these coins are to be distribu...

    Text Solution

    |

  20. there are 3 pots and 4 coins .All these coins are to be distribu...

    Text Solution

    |