Home
Class 12
MATHS
A elevator starts with m passengers and ...

A elevator starts with m passengers and stops at n floors `(mleqn)`. The probability that no two passengers leaves at same floor

A

`(""^(n) P_(m))/(m^(n))`

B

`(""^(n) P_(m))/(n^(m))`

C

`(""^(n) C_(m))/(m^(n))`

D

`(""^(n) C_(m))/(n^(m))`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    VMC MODULES ENGLISH|Exercise LEVEL - 2|49 Videos

  • PROBABILITY

    VMC MODULES ENGLISH|Exercise NUMERICAL VALUE TYPE FOR JEE MAIN|15 Videos

  • PROBABILITY

    VMC MODULES ENGLISH|Exercise JEE ADVANCED (ARCHIVE)|102 Videos

  • PERMUTATION & COMBINATION

    VMC MODULES ENGLISH|Exercise JEE ARCHIVE|50 Videos

  • PROPERTIES OF TRIANGLE

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|50 Videos

Similar Questions

Explore conceptually related problems

An elevator is moving vertically up with a acceleration a the force exerted on the floor by a passenger of mass m is

Five persons entered the lift cabin on the ground floor of an 8-floor building. If each of them can leave the cabin independently at any floor beginning with the first; find the probability of 5 persons leaving at different floor.

Five persons entered the lift cabin on the ground floor of an 8-floor house. Suppose each of them can leave the cabin independently at any floor beginning with the first. The probability of all five persons leaving at different floors, is

Five persons entered the lift cabin on the ground floor of an 8 floor house. Suppose that each of them independently and with equal probability can leave the cabin at any floor beginning with the first, then the probability of al 5 persons leaving at different floor is a. (.^(7)C_(5))/(7^(5)) b. (.^(7)C_(5)xx5!)/(5^(7)) c. (.^(7)C_(5)xx5!)/(7^(5)) d. (5!)/(7^(5))

Five persons entered the lift cabin on the ground floor of an 8 floor house. Suppose that each of them independently and with equal probability can leave the cabin at any floor beginning with the first, then the probability of al 5 persons leaving at different floor is a. (\ ^7P_5)/(7^5) b. (7^5)/(\ ^7P_5) c. 6/(\ ^6P_5) d. (\ ^5P_5)/(5^5)

Five persons entered the lift cabin on the ground floor of an 8 floor house. Suppose that each of them independently and with equal probability can leave the cabin at any floor beginning with the first, then the probability of al 5 persons leaving at different floor is a. (\ ^7P_5)/(7^5) b. (7^5)/(\ ^7P_5) c. 6/(\ ^6P_5) d. (\ ^5P_5)/(5^5)

Consider an elevator moving downwards with an acceleration a, the force exerted by a passenger of mass m on the floor of the elevator is :

A lift is ascending with a constnat speed V. A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be

Five persons entered the lift cabin on the ground floor of an 8-floor house. Suppose that each of them independently and with equal probability can leave the cabin at any floor beginning with the first. Find out the probability of all five persons leaving at different floors.

A train is moving forward at a velocity of 2.0m/s. At the instant the train begins to accelerate at 0.80 m//s^(2) a passenger drops a coin which takes 0.50s to fall to the floor. Relative to a spot on the floor directly under the coin at release, it lands.

VMC MODULES ENGLISH-PROBABILITY-LEVEL - 1
  1. A pack of cards consists of 15 cards numbered 1 to 15. Three cards are...

    Text Solution

    |

  2. There are m persons sitting in a row. Two of the mare selected at rand...

    Text Solution

    |

  3. A elevator starts with m passengers and stops at n floors (mleqn). The...

    Text Solution

    |

  4. Fifteen persons, among whom are A and B, sit down at random on a round...

    Text Solution

    |

  5. A and B play a game where each is asked to select a number from 1 to 2...

    Text Solution

    |

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

    Text Solution

    |

  7. A fair die is thrown 20 times. The probability that on the 10th throw,...

    Text Solution

    |

  8. There is a five-volume dictionary among 50 books arranged on a shelf i...

    Text Solution

    |

  9. The probability that a teacher will give an unannounced test during an...

    Text Solution

    |

  10. There are 5 duplicate and 10 original items in an automonile shop and ...

    Text Solution

    |

  11. Three letters are written to different persons , and the addresses on ...

    Text Solution

    |

  12. about to only mathematics

    Text Solution

    |

  13. The probability that the 13^(th) day of any randomly chosen month is a...

    Text Solution

    |

  14. Three of six vertices of a regular hexagon are chosen at random. The ...

    Text Solution

    |

  15. The probability that out of 10 person, all born in June, at least two ...

    Text Solution

    |

  16. A is a set containing n elements, A subset P (may be void also) is sel...

    Text Solution

    |

  17. A person draws 2 cards from a well shuffled pack of cards, the cards a...

    Text Solution

    |

  18. Let A be a set consisting of n elements. The probability of selecting ...

    Text Solution

    |

  19. Three numbers are chosen at random without replacement from {1, 2, 3, ...

    Text Solution

    |

  20. The number of ordered pairs (m,n),m,n in{1,2,...,100} such that 7^m + ...

    Text Solution

    |