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What number comes next in the sequence: 1, 2, 3, 5, 9, 12, ?

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What number comes next in the sequence: 1, 2, 3, 5, 9, 12, ?
posted Nov 15, 2019 by Balwinder

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1 Answer

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There is no obvious pattern to find next term, however all given numbers, when written, end with the letter E or O, so the following terms must be 21, 22, 23, 25, 29 etc

answer Nov 17, 2019 by Hanifa Mammadov
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