A) \[(-\infty ,\,6)\]
B) \[(-\infty ,\,6]\]
C) \[[-\infty ,\,6)\]
D) \[[-\infty ,\,6]\]
Correct Answer: A
Solution :
[a] \[\frac{x}{3}+\frac{x}{2}<5\Rightarrow \frac{2x+3x}{6}<5\] \[\Rightarrow \frac{5x}{6}<5\Rightarrow x<6\Rightarrow x\in (-\infty ,6)\]
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