\textbf{149.} From the set of numbers $\{5, 8, 11, \ldots, 65, 68, 71\}$ which forms an arithmetic sequence, at least how many members must be selected so that we are certain that at least two numbers exist in this subset whose sum is $82$?
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(1) $11$ \hfill (2) $12$ \hfill (3) $13$ \hfill (4) $14$
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