A number sequence has gone viral on the internet this week, reading: 2, 6, 12, 20, 30, ?. At first glance, it looks easy, but once people start solving it, they realize spotting the pattern is not so ...
If you’re someone who loves a good brain teaser, you’ll want to put your mind to the test with this curious number puzzle. At first glance it might look like just another string of digits, but there's ...
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