Which number comes next in this series: 2, 3, 4, 8, 9, 10, 20, 21, 22?

1.	Which number comes next in this series: 2, 3, 4, 8, 9, 10, 20, 21, 22?
Answer» <strong style="font-size: 15px; line-height: 20px !important;">Which number comes next in this series: 2, 3, 4, 8, 9, 10, 20, 21, 22?</strong><p><strong>Solution:</strong></p>

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