DiscoverA Problem Squared085 = Coin Collections and Pin Selections
085 = Coin Collections and Pin Selections

085 = Coin Collections and Pin Selections

Update: 2024-05-211
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🪙 How many coins would you need to sort through to collect all commemorative €2 coins in circulation? 




📍How do you display enamel pins?! 




💼 The Any Other Business briefcase is…mostly open. 




Here’s the Coupon Collector’s problem video: https://www.youtube.com/watch?v=BstloCx8KDk


You can see more on the “Number of banknotes/coins returned from circulation in Euro Area, Euro area (changing composition), Monthly” here: https://data.ecb.europa.eu/data/datasets/BKN/BKN.M.U2.RE10.C.20P0.AS.F.E


And, Wiki Sources: “2 euro commemorative coins” on good old Wikipedia: https://en.wikipedia.org/wiki/2_euro_commemorative_coins


As always, send your problems and solutions to our website: www.aproblemsquared.com.


And, if you want more from A Problem Squared, you can also find us on Twitter, Instagram, Discord and on Patreon.



Comments (1)

Kristopher Bel

as soon as Beck said house sitting I knew that was the problem. there was an article about it apparently there is a house sitting as a job website and a few years ago some young people from Australia were getting jobs house sitting in the USA in order to fund their vacation. but you cant work on a tourist visa. apparently it used to be pretty common and most people just get through. But there have been warnings in AU about this with some pretty terrible stories from people getting sent back.

May 22nd
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085 = Coin Collections and Pin Selections

085 = Coin Collections and Pin Selections

Matt Parker, Bec Hill