149- How many natural numbers less than $6000$ have digit sum $8$? (4) $168$ (3) $164$ (2) $165$ (1) $155$
\textbf{149-} How many natural numbers less than $6000$ have digit sum $8$?
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(4) $168$ \hfill (3) $164$ \hfill (2) $165$ \hfill (1) $155$
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