Home
Class 11
MATHS
The sum of all 4 digit numbers that can ...

The sum of all 4 digit numbers that can be formed by using the digits 2, 4, 6, 8. (repetition of digits not being allowed) is

Text Solution

Verified by Experts

If we have a tendency to fix the units place with `2` then `3 !` numbers will be shaped with given digits

Hence total numbers ending with `2` ...
Promotional Banner

Topper's Solved these Questions

  • PARABOLA

    RD SHARMA|Exercise Solved Examples And Exercises|81 Videos

  • PROBABILITY

    RD SHARMA|Exercise Solved Examples And Exercises|280 Videos

Similar Questions

Explore conceptually related problems

The sum of all four-digit numbers that can be formed by using the digits 2,4,6,8 (when repetition of digits is not allowed) is a.133320 b.5333280 c.53328 d.none of these

The sum of all 4 digited numbers that can be formed using the digits 1,2,4,5,6 without repetition is

Find the sum of all five digit numbers,that can be formed using the digits 1,2,3,4 and 5 (repetition of digits not allowed)

The sum of all four digited numbers that can be formed using the digits 0,2,4,7,8 without repetition is

What is the sum of all three-digit numbers that can be formed using all the digits 3, 4 and 5, when repetition of digits is not allowed ?

How many 4 -digit numbers can be formed by using the digits 1 to 9 if repetition of digits is not allowed?

How many 3-digit numbers above 600 can be formed by using the digits 2, 3, 4, 5, 6, if repetition of digits is allowed?

RD SHARMA-PERMUTATIONS-Solved Examples And Exercises
  1. If Pm stands for m{P{m}} , then prove that: 1+1. P1+2. P2+3. P3++ndotP...

    Text Solution

    |

  2. In an examination hall there are four rows of chairs. Each row has 8 c...

    Text Solution

    |

  3. The sum of all 4 digit numbers that can be formed by using the digits...

    Text Solution

    |

  4. If P(15 ,r-1): P(16 ,r-2)=3:4 , find rdot

    Text Solution

    |

  5. If "^(n+5)P(n+1)=(11(n-1))/2"^(n+3)Pn , find ndot

    Text Solution

    |

  6. How many words, with or without meaning, can be formed by using the ...

    Text Solution

    |

  7. If a denotes the number of permutations of (x+2) things taken all at a...

    Text Solution

    |

  8. In how many ways can 9 examination papers arranged so the best and the...

    Text Solution

    |

  9. How many words can be formed with the letters of the words ‘ORDINATE’ ...

    Text Solution

    |

  10. A code word is to consist of two distinct English alphabets followed b...

    Text Solution

    |

  11. In how many ways can 5 children the arranged in a row such that two of...

    Text Solution

    |

  12. How many words can be formed from the letters of the word, TRIANGLE? ...

    Text Solution

    |

  13. (i) How many different words can be formed with letters of the word ‘S...

    Text Solution

    |

  14. In how many ways can 5 girls and 3 boys be seated in a row so that ...

    Text Solution

    |

  15. How many words can be formed with the letters of the words ‘ORDINATE’ ...

    Text Solution

    |

  16. When a group photograph is taken, all the seven teachers should be in ...

    Text Solution

    |

  17. In a class of 10 students there are 3 girls A, B, C. In how many di...

    Text Solution

    |

  18. Compute: (20 !)/(18 !)

    Text Solution

    |

  19. Compute: (10 !)/(6! 10 !)

    Text Solution

    |

  20. Convert the following products into factorial: 6.7.8.9.10

    Text Solution

    |