Brain Teasers
0.5, 2, 4.5, 8, 12.5, ...
Series
Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.Series
0.5, 2, 4.5, 8, 12.5, ...
What comes next?
What comes next?
Answer
18They are all consecutive square numbers - divided by 2
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