Insert same one word on both sides (in place of the ?) of the following to make it correct.

(No inserting any math operators or not equal to, > or < signs)

? (? V(LXVII)) = ? XIII

Explain why.

This question is linked to my previous question

Replace the question mark with one single word

And can serve as a Hint to solve that.


Right hand side number is associated with?????

  • $\begingroup$ I am sorry but the same word appears 3 times $\endgroup$ – DrD Nov 6 '19 at 18:09
  • $\begingroup$ I have edited my function giving this, but it still didn't work am I along the right track or not? $\endgroup$ – Gamora Nov 7 '19 at 11:46

I did not expect this question to take this long to solve

? (?V(LXIII)) = ? (? 5(68)) = Rot( Rot5(68))= Rot13 = Rot XIII

Rot or Rotate is the word

  • $\begingroup$ there are mistypings everywhere, or I don`t understand something $\endgroup$ – balazs.com Nov 10 '19 at 12:44
  • $\begingroup$ V is 5 (Roman) LXIII is 68 so rot5(68) is 13 (check the net). $\endgroup$ – DrD Nov 10 '19 at 12:53

Partial answer:

So upon looking at this I immediately thought (and still believe I am on the correct page with this) that:

this is all about roman numerals and that you're looking for a number which is also a word in the English language which would make the equation true!

But there are too many variables so I created a function which you can see here. <- obviously clicking this link is a spoiler.

Very happy that all my components worked, I went ahead and clicked run only to find that non of my proposed combinations worked. It may be that:

(a) I have missed out a roman numeral or (more likely) (b) I have missed out a word which can be spelt with roman numerals. I got the list here but removed any that required punctuation as no operators are allowed. Feel free to suggest any I could add.

Edit: rereading the question I realise it says same word, but I still believe my attempt should have given the answer

  • $\begingroup$ Good lateral thinking @bee. But I will reveal my answer soon if no other answers come in $\endgroup$ – DrD Nov 7 '19 at 12:47
  • $\begingroup$ @DEEM usually problems are left for quite a while before the answers are revealed. Maybe consider leaving another hint? $\endgroup$ – Gamora Nov 7 '19 at 12:49
  • $\begingroup$ Here is one. Right hand side number is associated with????? $\endgroup$ – DrD Nov 7 '19 at 12:52
  • $\begingroup$ sg with "success",13 is "unlucky" but also a lucky number, 5(67) is a succession, but I don`t know:) $\endgroup$ – balazs.com Nov 7 '19 at 13:45

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