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

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.

• Welcome to Puzzling, take our tour! Could you please provide proper attribution for this question?
– fljx
Nov 19, 2023 at 13:13
• @fljx Is it ok now? Nov 19, 2023 at 13:18
• If possible, include specific details: What Olympiad? When? Nov 19, 2023 at 13:40
• @DanielMathias Sure Nov 19, 2023 at 13:54
• Is it possible for you to provide a link? Nov 19, 2023 at 15:20

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

• That's impressive! But how do you guys come up with these solutions any book to recoommend? Nov 19, 2023 at 13:52