The A.M. of \( n \) numbers of a series is \( \bar{X} \). If the su...

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The A.M. of \( n \) numbers of a series is \( \bar{X} \). If the sum of first \( (n-1) \) terms is \( k \), then the \( \mathrm{n}^{\text {th }} \) number is
(A) \( \bar{x}-k \)
(B) \( n \bar{x}-k \)
(C) \( \bar{x}-n k \)
(D) \( n \bar{x}-n k \)
\( \mathrm{P} \)
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