Are you a fan of escape rooms? You don’t actually need to leave the house since there are plenty of virtual escape rooms on the internet. One such escape room is Trace, from Cool Maths Games, and if ...
Prolific puzzle inventor Henry Ernest Dudeney published the following problem in his 1917 book Amusements in Mathematics.The current version of the U.K.’s Union Jack flag was introduced in 1801. This ...
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