150. For which values of $x$, the set $(1 - x + 1, 2x - 1)$ has exactly 3 elements? (1) $\varnothing$ (2) $\{2\}$ (3) $2 < x < 2.5$ (4) $1.5 < x < 2$
\textbf{150.} For which values of $x$, the set $(1 - x + 1, 2x - 1)$ has exactly 3 elements?
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(1) $\varnothing$ \hfill (2) $\{2\}$ \hfill (3) $2 < x < 2.5$ \hfill (4) $1.5 < x < 2$
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