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This question already has an answer here:

You and your friend are put in two different rooms with just a coin and no way to communicate. You both toss the coin at the same time.

Your task is for at least one of you to guess correctly what the other one has tossed. You may think ahead of a strategy that will help you.

note: The coins are regular H/T. There is no way to communicate after you enter the rooms, and you can't hear what the other one said. This is a logical question, not tricky.

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marked as duplicate by Excited Raichu, Community Dec 17 '18 at 16:07

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • $\begingroup$ If you've seen this puzzle somewhere, don't forget to add the source. And welcome to Puzzling SE :) $\endgroup$ – S. M. Dec 17 '18 at 15:55
  • $\begingroup$ heard the riddle somewhere, not on the internet $\endgroup$ – pirate Dec 17 '18 at 16:26
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The first person will guess the same thing they got and the second person will guess what they did'ny get. If they got the same thing (TT/HH) the first person will be right and if they were different (HT/TH) then the second person will be right.

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  • $\begingroup$ I was about to answer this, nice job. $\endgroup$ – Excited Raichu Dec 17 '18 at 15:56

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