Home
Class 14
MATHS
Three squares of a chessboard are chosen...

Three squares of a chessboard are chosen at random. the probability that two are of one colour and one of another is :

A

`67/992`

B

`16/21`

C

`31/32`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS & COMBINATIONS

    QUANTUM CAT|Exercise QUESTION BANK|678 Videos
  • PROFIT , LOSS AND DISCOUNT

    QUANTUM CAT|Exercise QUESTION BANK|205 Videos

Similar Questions

Explore conceptually related problems

Three squares of a class board are selected at random . The probability of getting two squares of one colour and other of a different colour is :

Three squares of Chess board are selected at random.Find the probability of getting 2 squares of one colour and other of a different colour.

Four small squares on a chessboard are selected at random. The probability that they form a square of the size 2 xx 2 is _______.

Out of 11 persons sitting at a round table,3 persons A,B and C are chosen at random, then the probability that no two of these are sitting next to one another is

Three numbers are chosen at random from 1 to 15. The probability that they are consecutive is

3 mangoes and 3 apples are in a box. If 2 fruits are chosen at random, the probability that one is a mango and the other is an apple, is

Three mangoes and three apples are kept in a box. if two fruits are chosen at random, find the probability that one is a mango and the other is an apple.

If 4 squares are chosen at random on a chess board,the probability that they lie on a diagonal line is

QUANTUM CAT-PROBABILITY-QUESTION BANK
  1. Two squares are chosen at random on a chessboard, the probability that...

    Text Solution

    |

  2. Dialling a telephone number an old man forgets the last two digits ...

    Text Solution

    |

  3. Three squares of a chessboard are chosen at random. the probability th...

    Text Solution

    |

  4. The probability that a leap year selected ar random contains either 53...

    Text Solution

    |

  5. In order to get a head at least once with probability >=0.9,the minimu...

    Text Solution

    |

  6. Out of 13 applicants for a job, there are 5 women and 8 men It is desi...

    Text Solution

    |

  7. If nine squares are chosen at random on a chess board, find the probab...

    Text Solution

    |

  8. Seven digits from the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 are written...

    Text Solution

    |

  9. From the set of first ten natural numbers two distinct numbers are pic...

    Text Solution

    |

  10. What is the probability that four S's come consecutively in the word M...

    Text Solution

    |

  11. Each coefficient in the equation ax^2+bx+c=0 is determined by throwing...

    Text Solution

    |

  12. A and B throw alternately a pair of dice. A wins if he throws 6 before...

    Text Solution

    |

  13. a consignment of 15 record players contain 4 defectives .the record pl...

    Text Solution

    |

  14. In a test, an examinee either guesses or copies or knows the answer to...

    Text Solution

    |

  15. Given that the sum of two - negative quanties is 200 , the pr...

    Text Solution

    |

  16. A pack of cards consists of 9 cards numbered 1 to 9. three cards are d...

    Text Solution

    |

  17. Three numbers are selected at random without replacement from the set ...

    Text Solution

    |

  18. Two numbers b and c are chosen at random with replacement from the num...

    Text Solution

    |

  19. The probabilities that a student passes in Mathematics,Physics and Che...

    Text Solution

    |

  20. A student appears for tests A, B and C. The student is successful if h...

    Text Solution

    |