Multiple Choice Questions on If an is the digit in the unit place of the number given by 1 2 3 hellip n then ........ for 11th Standard Preparation

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Multiple Choice Questions

If an is the digit in the unit place of the number given by 1 2 3 hellip n then ........

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    If an is the digit in the unit place of the number given by

     1! + 2! + 3! + … + n ! ,then a_{8}+a_{9}+a_{10}+....+a_{16}=

     

     9                          

    Incorrect Answer

    18                                           

    Incorrect Answer

     27                               

    Correct Answer

    . none

    Incorrect Answer
    Explanation:

     27     

    By: Swaminath Yadav
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