Home
Class 12
MATHS
The number of four digit telephone numbe...

The number of four digit telephone numbers formed by the digits is (Note: 0 can be accepted in the first place)

A

`10^(4)-""^(10)P_(4)`

B

`10^(4)`

C

`""^(10)P_(4)`

D

`9^(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS & COMBINATIONS

    AAKASH SERIES|Exercise EXERCISE-II|229 Videos

  • PARTIAL FRACTIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|31 Videos

  • PROBABILITY

    AAKASH SERIES|Exercise Practise Exercise|165 Videos

Similar Questions

Explore conceptually related problems

The number of four digits telephone numbers having atleast one of their digit is repeated

The number of four digited numbers formed from the digits {2,3,4,5,6} that are divisible by 3 is

The number of four digited even numbers that can be formed with the digits 0,1,2,5,7,8 is

The number of four-digit numbers formed by using the digits 0,2,4,5 and which are not divisible by 5, is

The number of four digited numbers formed from the digits {2,3,4,5,6 } that are divisible by 6 is

Find the number of four digited number that can be formed using the digits 1,2, and 3.

The number of three digited telephone numbers than can be formed using the digits 1,2,3,4,5,6 with atleast one digit repeated is

The number of four digit even numbers that can be formed from 0,1,2,3,7 are

Find the number of 4 - digit telephone numbers that can be formed using the digits 1,2,3,4,5,6 with atleast one digit repeated.

From 0 to 9, four digited numbers can be formed such that the digits are in ascending order is

AAKASH SERIES-PERMUTATIONS & COMBINATIONS-PRACTICE EXERCISE
  1. The number of different signals which can be given from 7 different co...

    Text Solution

    |

  2. The number of 5 letter that can be formed using the letters of ...

    Text Solution

    |

  3. The number of four digit telephone numbers formed by the digits is (No...

    Text Solution

    |

  4. Four dice are rolled then the number of possible out comes is

    Text Solution

    |

  5. A letter lock consists of 4 rings each marked with 10 different letter...

    Text Solution

    |

  6. If ninN and 300ltnlt3000 and n is made of digits by taking from 0, 1, ...

    Text Solution

    |

  7. 5 dice are thrown then the number of out comes in which there is atlea...

    Text Solution

    |

  8. In a town the car plate numbers contain only three or four digits, not...

    Text Solution

    |

  9. The number of functions that can be defined from a set containi...

    Text Solution

    |

  10. The numbers of the one one function that can be defind from A ={...

    Text Solution

    |

  11. The number of one - one functions that can be defined from A={a, b, c,...

    Text Solution

    |

  12. The number of onto functions that can be defined from A={1, 2, 3} to B...

    Text Solution

    |

  13. Each of the five questions in a multiple choice test has 4 p...

    Text Solution

    |

  14. The number of ways in which 7 distinct toys can be distributed ...

    Text Solution

    |

  15. The number of ways that '6' rings can be worn on the 4 - fingers of on...

    Text Solution

    |

  16. The number of 7 digited numbers which can be formed using the digits 1...

    Text Solution

    |

  17. Number of different permutations of the word “BANANA' is

    Text Solution

    |

  18. Number of different permutations of the word "INTERMEDIATE' is

    Text Solution

    |

  19. The number of ways can the letters of the word p^(2)q^(3)r^(4) be arra...

    Text Solution

    |

  20. The number of ways of arranging the letters of the word 'SUCCESSFUL' s...

    Text Solution

    |