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In a certain code 'NATIONAL' is written as 'JUBOKZMN'. How is 'ELECTION' written in that code?

  • (A) FMFDSHNM
  • (B) DFMFMNHS
  • (C) DMFMFHNS
  • (D) MFDFHSMN

I really tried many basic methods using positional values of letters but I failed. Any guess?

I found this puzzle in a highschool level Reasoning and Aptitude Olympiad here in India that was held in the year 2022.

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    $\begingroup$ Welcome to Puzzling, take our tour! Could you please provide proper attribution for this question? $\endgroup$
    – fljx
    Commented Nov 19, 2023 at 13:13
  • $\begingroup$ @fljx Is it ok now? $\endgroup$
    – Darshit Sharma
    Commented Nov 19, 2023 at 13:18
  • $\begingroup$ If possible, include specific details: What Olympiad? When? $\endgroup$
    – Daniel Mathias
    Commented Nov 19, 2023 at 13:40
  • $\begingroup$ @DanielMathias Sure $\endgroup$
    – Darshit Sharma
    Commented Nov 19, 2023 at 13:54

1 Answer 1

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Starting with 'NATIONAL'

Split the word in halves:
-- NATI ONAL
Increase each letter of the first half:
-- OBUJ ONAL
Decrease each letter of the second half:
-- OBUJ NMZK
Reverse the letters in each half:
-- JUBO KZMN
Result:
-- JUBOKZMN

In the same manner, 'ELECTION' becomes

(B) DFMFMNHS

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    $\begingroup$ That's impressive! But how do you guys come up with these solutions any book to recoommend? $\endgroup$
    – Darshit Sharma
    Commented Nov 19, 2023 at 13:52

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