\left. \begin array l \text The arithmetic mean of x , x %2 – InterviewSolution

1.	\left. \begin array l \text The arithmetic mean of x , x %2B 3 , x %2B 6 , x %2B 9 \text and x %2B 12 \text is- \\ \text (A) x %2B 6 \\ \text (C) x %2B 7 \end array \right.
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