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IQ Test answer

There are many things to be aware of when doing these kinds of “tests.” First is that they are a scam to get you to give them your cell phone number, so they can then spam you with tons of crap you are not interested in. [...]

An old Puzzle Revisited

Since gold coins (if they are gold coins, and not some hybrid – and the question did say “gold coins”) are valued by their weight, it stands to reason that a $5 gold coin is worth half of a $10 gold coin. [...]