Home
Class 14
MATHS
Three persons A,B and C are to speak at ...

Three persons A,B and C are to speak at a function along with five others. If they all speak in random order, the probability that A speaks before B and B speaks before C is

A

`5/6`

B

`1/6`

C

`1/2`

D

`1/3`

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 persons A,B and C are to speak at a function with 5 other persons.If the persons speakin random order,the probability that A speaks before B and C speaks before A in that order is

Three persons A,B and C speak at a function along with 5 other persons.If the persons speak at random,find the probability that A speaks before B and B speaks before C

Two persons A,B have to speak at a function with 10 other persons.If the persons speak at random order,the probability that A speaks immediately before B is

Ten persons, amongst whom are A, B and C are to speak at function. Find number of ways in which it can be done if A wants to speak before B, and B wants to speak before C ?

A,B ,C are three persons among 7 persons who speak at a function.The number of ways in which it can be done if A speaks before B and B speaks before C is

QUANTUM CAT-PROBABILITY-QUESTION BANK
  1. Four numbers are multiplied together. Then the probability that the pr...

    Text Solution

    |

  2. 8 couples (husband and wife) attend a dance show "Nach Baliye' in a po...

    Text Solution

    |

  3. Three persons A,B and C are to speak at a function along with five oth...

    Text Solution

    |

  4. A bag contains 16 coins of which 2 coins are counterfeit with heads on...

    Text Solution

    |

  5. A committee of five persons is to be chosen from a group of 9 people. ...

    Text Solution

    |

  6. A speaks truth in 60% cases and B speaks truth in 70% cases. The proba...

    Text Solution

    |

  7. Two squares are chosen at random on a chessboard, the probability that...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |