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  QUESTION OF THE DAY  
Question of the day
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Question of the Day (13-Mar-17)

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If k ∈ I, then the number of possible values of k, which satisfy the equation 1! + 2! + 3! + … + (x − 1)! + x! = k2 are
OPTIONS
 
 1)0
 2)4
 3)13
 4)More than 40
 5)None of these

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