Brain Teasers
10, 5, 13, ...
Series
Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.Series
Find the next three numbers in the series:
10, 5, 13, 10, 16, 20, 19, _, _, _
10, 5, 13, 10, 16, 20, 19, _, _, _
Answer
40, 22 and 80There are two series (10, 13, 16, 19, 22) and (5, 10, 20, 40, 80); one increasing by 3 and the other multiplied by 2.
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