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 ...
It's time to put your noggin to the ultimate test with this perplexing riddle. If you're always boasting about being a bit of a brainbox, or see yourself as a modern-day Einstein on the brink of a ...
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