Home
Class 11
MATHS
The number 916238457 is an example of a ...

The number 916238457 is an example of a nine-digit number which contains each of the digit 1 to 9 exactly once. It also has the property that the digits 1 to 5 occur in their natural order, while the digits 1 to 6 do not. Find the number of such numbers.

Promotional Banner

Topper's Solved these Questions

  • LOGARITHM

    CENGAGE PUBLICATION|Exercise All Questions|177 Videos

  • PROBABILITY

    CENGAGE PUBLICATION|Exercise All Questions|1 Videos

Similar Questions

Explore conceptually related problems

The number of 5 digits numbers that contain 7 exactly once is

Find the number of n digit numbers, which contain the digits 2 and 7, but not the digits 0, 1, 8, 9.

The total number of 9 digit numbers which have all different digit is

The number of 4 digit natural numbers such that the product of their digits is 12 is

The number of n digit numbers which consists of the digit 1 and 2 only if each digit is to be used atleast once is equal to 510, then n is equal to ________.

Number of 6-digit numbers that can be formed with the digits of the number 112233 is-

The number of different seven digit numbers that can be written using only the three digit 1, 2 and 3 with the condition that the digit 2 occurs twice in each number is

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 can be formed by using the digits 1 to 9 if no digit is repeated?

How many 4-digit numbers can be formed by using the digits 1 to 9 if no digit is repeated?

CENGAGE PUBLICATION-PERMUTATIONS AND COMBINATIONS-All Questions
  1. Find the maximum number of points of intersection of 6 circles.

    Text Solution

    |

  2. Find the number of different words that can be formed using all the le...

    Text Solution

    |

  3. The number 916238457 is an example of a nine-digit number which con...

    Text Solution

    |

  4. In a Delta ABC, Prove that, CosA/a+CosB/b+CosC/c = (a^2+b^2+c^2)/2

    Text Solution

    |

  5. Find the total number of rectangles on the normal chessboard.

    Text Solution

    |

  6. There are 10 points on a plane of which no three points are collinear....

    Text Solution

    |

  7. Find the maximum number of points of intersection of 7 straight lines ...

    Text Solution

    |

  8. A box contains 5 different res and 6, different whit balls. In how man...

    Text Solution

    |

  9. Find number of ways that 8 beads of different colors be strung as a...

    Text Solution

    |

  10. Find the number of ways in which 6 men and 5 women can dine at around ...

    Text Solution

    |

  11. For an examination a candidate has to select 7 subjects from 3 differe...

    Text Solution

    |

  12. In how many ways the letters of the word COMBINATORICS can be arran...

    Text Solution

    |

  13. A question paper on mathematics consists of 12 questions divided into ...

    Text Solution

    |

  14. Find the number of all three elements subsets of the set{a1, a2, a3, ....

    Text Solution

    |

  15. A bag contains 50 tickets numbered 1, 2, 3, .., 50 of which five are d...

    Text Solution

    |

  16. Four visitors A, B, C, D arrived at a town that has 5 hotels. In how ...

    Text Solution

    |

  17. about to only mathematics

    Text Solution

    |

  18. Out of 8 sailors on a boat, 3 can work only on one particular side and...

    Text Solution

    |

  19. In how many ways can 3 ladies and 3 gentlemen be seated around a ro...

    Text Solution

    |

  20. In how many ways can 15 members of a council sit along a circular t...

    Text Solution

    |