Identify the number that does NOT belong in the given series.
2, 6, 6, 10, 8, 12, 12, 15, 14, 18
It is an alternative series.
(2,6,8,12,14) and (6,10,12,15,18).
every series is added by (+4,+2,+4,+2).
So, it should be (6,10,12,16,18).
So, 15 is not belong to series.
Option C is correct.
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