Replace the question mark with the correct flag.

enter image description here

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    $\begingroup$ Realized the title could be misleading, so I removed the first part. $\endgroup$ Dec 7, 2023 at 12:01
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    $\begingroup$ ROT13( Gur zvffvat zbagu va gur obk pbeerfcbaqvat gb Netragvan vf Znl (gurer arrqf gb or na Z orgjrra gur N naq W), naq gur rzoyrz va gur zvqqyr bs gur synt vf pnyyrq gur Fha bs Znl. ) Suspicious but I don't know if that's relevant. $\endgroup$
    – oAlt
    Dec 7, 2023 at 15:07
  • $\begingroup$ @oAlt You're correct regarding the first part, but it's not related to the flag. $\endgroup$ Dec 7, 2023 at 15:13
  • $\begingroup$ Are the letters in the bottom-left box definitely correct? I had a workable idea for what they mean, but it just didn't work. Seems too good a fit to not be related. $\endgroup$ Dec 7, 2023 at 15:53
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    $\begingroup$ @Prim3numbah Seems there are slightly different versions of that rot13(yvfg bs ncbfgyrf) available, and I used the "wrong" one. $\endgroup$ Dec 7, 2023 at 16:37

1 Answer 1


Each picture on the left has

something 'missing' (see title)

1. These are the basic operators: plus, divide, subtract... multiply (TIMES) is missing.

2. The rainbow has only 6 segments, so one is missing. Violet is there and the others are equidistant, so RED must be missing.

3. These are the starting letters of the months of the year. M for MAY is missing.

4. These are the first and last letters of the names of the 12 apostles as listed in the book of Acts: James, John, Matthew, Andrew, James (2nd), Judas, Simon, Bartholomew, Philip, Thomas, Judas (2nd)... Missing is PETER.

TIMES, RED, MAY, and PETER all hint at famous city squares. (Each picture is also in a square, another clue).
Times Square is in the US, so #1 has a US flag.
The Red Square is in Russia, so #2 has a Russian flag.
Plaza de Mayo, or "May Square" in english, is in Argentina, so #3 has a flag of Argentina.

Finally, Saint Peter's Square is in Vatican City, so the missing flag is:
Vatican flag

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    $\begingroup$ Great job! And ofc they're all inside rot13(fdnherf) too. $\endgroup$ Dec 7, 2023 at 16:11
  • 2
    $\begingroup$ Ah, well-spotted $\endgroup$
    – oAlt
    Dec 7, 2023 at 16:12

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