1,2,3,6,9,8,7,?Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.
What number comes next in this series?
1, 2, 3, 6, 9, 8, 7, ?
The numbers on a standard push-button phone starting with 1 and going in a clockwise circle around the outside numbers.
You could also get the same answer going counter-clockwise on a calculator.
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