Home
Class 11
MATHS
How many natural numbers less than 1000 ...

How many natural numbers less than 1000 can be formed form the digits 0,1,2,3,4,5 when a digit may be repeated any number of times?

Promotional Banner

Topper's Solved these Questions

  • PARABOLA

    RD SHARMA ENGLISH|Exercise All Questions|86 Videos
  • PROBABILITY

    RD SHARMA ENGLISH|Exercise All Questions|290 Videos

Similar Questions

Explore conceptually related problems

How many numbers greater than 40000 can be formed from the digits 2,4,5,5,7 ?

How many numbers of 3 -digits can be formed with the digits 1,2,3,4,5 when digits may be repeated?

How many numbers of 3 digits can be formed with the digits 1,2,3,4,5 when digits may be repeated?

How many different numbers lesser than 10000 can be formed from the digits 0,1,3,6,8,7 and 9, if no digit is repeated ?

How many three digits numbers can be formed by using the digits 0,1,3,5,7 while each digit may be repeated any number of times?

The number of numbers less than 1000 than can be formed out of the digits 0,1,2,3,4 and 5, no digit being repeated, as

How many 4-digit numbers can be formed with the digits 9,8,7,5,3 when a digit may be repeated any number of times in any arrangement.

How many numbers greater than 100000 can be formed with the digits 3,3,4,0,3,4 ?

How many numbers between 10 and 10,000 can be formed by using the digits 1, 2, 3, 4, 5 if No digit is repeated in any number

Number of numbers greater than 24000 can be formed by using digits 1,2,3,4,5 when no digit being repeated is

RD SHARMA ENGLISH-PERMUTATIONS-All Questions
  1. How many numbers of four digits can be formed with the digits 1,2,3,4,...

    Text Solution

    |

  2. How many three digits numbers can be formed by using the digits 0,1...

    Text Solution

    |

  3. How many natural numbers less than 1000 can be formed form the digits ...

    Text Solution

    |

  4. How many five digit telephone numbers can be constructed using the dig...

    Text Solution

    |

  5. Find the number of ways in which 8 distinct toys can be distributed ...

    Text Solution

    |

  6. Find the number of ways in which one can post 5 letters in 7letter ...

    Text Solution

    |

  7. In how many ways can 5 different balls be distributed among three b...

    Text Solution

    |

  8. In how many ways can 7 letters be posted in 4 letter boxes?

    Text Solution

    |

  9. In how many ways can 4 prizes be distributed among 5 students, when (1...

    Text Solution

    |

  10. There are 10 lamps in a hall. Each one of them can be switched on i...

    Text Solution

    |

  11. Evaluate the following: \ ^5P3

    Text Solution

    |

  12. Evaluate the following: P(15 ,3)

    Text Solution

    |

  13. Evaluate the following: P(5,5)

    Text Solution

    |

  14. If P(5, r)=2.P(6, r-1), find r.

    Text Solution

    |

  15. If 10Pr=5040 , find the value of rdot

    Text Solution

    |

  16. If 9P5+5^9P4=^(10)Pr , find the value of rdot

    Text Solution

    |

  17. Prove the following: P(n , n)=2P(n , n-2)

    Text Solution

    |

  18. Prove the following: P(n , r)=P(n-1, r)+rdotP(n-1,\ r-1)

    Text Solution

    |

  19. Prove the following: P(n , n)=P(n , n-1)

    Text Solution

    |

  20. Prove the following: P(n , r)=ndotP(n-1,\ r-1)

    Text Solution

    |