[" Let "[N" be any four digit number say...

[" Let "[N" be any four digit number say "x_(1)x_(2)x_(3)x_(4)." Then maximum value of "],[(N)/(x_(1)+x_(2)+x_(3)+x_(4))" is equal to "]],[[" (A) "1000," (B) "(1111)/(4)],[" (C) "800," (D) None of these "]]

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