Home
Class 14
MATHS
Find the unit digit of 111!. (factorial ...

Find the unit digit of 111!. (factorial 111) .

Text Solution

Verified by Experts

`111!=1xx2xx3xx4xx5xx...xx110xx111`
Since there is a product of 5 and 2 hence it will give zero as the unit digit.
Hence the unit digit of `111!` is 0 9zero).
Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    QUANTUM CAT|Exercise QUESTION BANK|449 Videos

  • PERCENTAGES

    QUANTUM CAT|Exercise QUESTION BANK|271 Videos

Similar Questions

Explore conceptually related problems

Find the unit digit of expression (259)^123 – (525)^111 – (236)^122 – (414)^115 + (323)^81

Find the unit digit of expression (823)^(933!) × (777)^(223!) × (838)^(123!) × (525)^(111!)

Find the number of factors of factors of the following : 111

If N= 1+ 11 + 111 +1111 +...+111111111 , then what is the sum of the digit's of N? यदि N= 1+ 11 + 111 +1111 +...+111111111 हो, तो N केअंकों का योग क्या है?

QUANTUM CAT-NUMBER SYSTEM-QUESTION BANK
  1. Find the unit digit of 3^(47) + 7^(52).

    Text Solution

    |

  2. Find the unit digit of 3^6 xx 4^7 xx 6^3 xx 7^4 xx 8^2 xx 9^5.

    Text Solution

    |

  3. Find the unit digit of 111!. (factorial 111) .

    Text Solution

    |

  4. Find the unit digit of the product of all the prime number between 1 a...

    Text Solution

    |

  5. Find the unit digit of the product of all the elements of the set whic...

    Text Solution

    |

  6. Find the last digit of 222^(888) + 388^(222).

    Text Solution

    |

  7. Find the last digit of 32^(32^(32))

    Text Solution

    |

  8. Find the last digit of the expression: 1^2 + 2^2 + 3^2 + 4^2 + ……..+...

    Text Solution

    |

  9. Find the unit digit of 1^1 + 2^2 + 3^3 + …… 10^(10).

    Text Solution

    |

  10. Find the unit digit of 13^(24)xx68^(57)xx24^(13)xx57^(68)+1234+5678.

    Text Solution

    |

  11. The unit digit of expression (1 xx 2 xx 3 xx 4 xx 5 xx 6 xx 7 xx 8 ...

    Text Solution

    |

  12. Find the unit digit of the expression. 888^(9235!) + 222^(9235!) + 6...

    Text Solution

    |

  13. The last digit of the following expreesion is : (1!)^1 + (2!)^(2) + ...

    Text Solution

    |

  14. The last digit of the following expreesion is : (1!)^1 + (2!)^(2) + ...

    Text Solution

    |

  15. Find the value of 107xx107-93xx93

    Text Solution

    |

  16. Find the value of 734856xx9999.

    Text Solution

    |

  17. 6798xx223+6798xx77=k, then the value of k will be

    Text Solution

    |

  18. 123xx123+77xx77+2xx123xx77=?

    Text Solution

    |

  19. ((941 + 149)^2+ (941 - 149)^2)/((941 xx 941 + 149 xx 149)) = ?

    Text Solution

    |

  20. (888 xx 888 xx 888 - 222 xx 222 xx 222)/(888 xx 888 + 888 xx 222 + 222...

    Text Solution

    |