A viral number sequence puzzle challenges players to find the next number in “2, 6, 12, 20, 30, ?”. Test your analytical ...

Number sequences are sets of numbers that follow a pattern or a rule.

A new brain teaser has left people scratching their heads as they attempt to work out the next number in this baffling sequence - can you solve the tricky puzzle?

Microsoft Excel: How to Find Missing Numbers in a Sequence. Locating missing sequential numbers can be an arduous task when working with long lists of data. For example, you might want to locate ...