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  1. #1
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    Post Question Of The Day (13-March-17)

    Question Of The Day (13-March-17)



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  2. #2
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    Post Question Of The Day (13-March-17)

    1!+2!+3!+4! = 33
    5! = 120
    All factorials beyond 5! end with 0
    Sums will therefore end with 3
    No square value ends with 3
    only possible values for k are 1 & 3 2 values. Therefore option 5

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