Codes

Logic Level 2

P L A N N I N G PLANNING is coded in a certain language as U F F H S C S A UFFHSCSA . How will A U T H O R I T Y AUTHORITY be coded in the same language?

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FOYBTLNND FBOYTLNTN FBOYTNLTN FYOTBNNLT

Ankit Vijay by Ankit Vijay , 22, India

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13 solutions

Here if we compare the alphabets of the original word and the coded word then we will get a sequence where the difference is : 5,20,5,20,5,20,5,..... .

LIKE

P --- U.....5.

L --- F......20.

A --- F......5.

N --- H.....20.

N --- S......5.

I --- C........20.

N --- S......5.

G --- A......20.

NOTE:

If the alphabets end again resume from the starting.

So thus, AUTHORITY = FOYBTLNND

76 Helpful 11 Interesting 12 Brilliant 6 Confused

However, it is possible to come up with any number of other similar schemes that could be used to argue for ANY one of the options. To make this a really acceptable task, one would need to be given some way to be able to test one's hypothesis.

Markus Miekk-oja - 5 years, 7 months ago

Wrong explained L ...F deference 20 how?

Ali Naeem - 3 years, 5 months ago

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once the alphabet series ends i.e., you encounter a 'Z' then start the series again from 'A' and then in this format 'F' comes after 20 places of 'L'

Harshvardhan Mehta - 3 years, 5 months ago

It is clearer if you alternate between +5 and -6. He is counting 20 because he is considering alphabets in circular form. So this means that after counting L to F for e.g, when you arrive at Z, go back to A while still counting until you reach F. So this way counting +20 or -6 is the same thing.

rahul mallah - 12 months ago
Reeshabh Ranjan
Jun 21, 2014

It goes like this alternately :-

Alphabet + 5th position

Alphabet - 6th position

27 Helpful 1 Interesting 2 Brilliant 0 Confused
Bharath Spidy
Jun 26, 2014

ABCDEFGHIJKLMNOPQRSTUVWXYZ

P L A N N I N G +5 -6 +5 -6 +5 -6 +5 -6
U F F H S C S A

A U T H O R I T Y
+5 -6 +5 -6 +5 -6 +5 -6 +5 F O Y B T L N N D

14 Helpful 0 Interesting 1 Brilliant 0 Confused

Using same pattern used in the word PLANNING, we can get the correct answer as follows:

P + 5 = U
L - 6 = F
A + 5 = F
N - 6 = H
N + 5 = S
I - 6 = C
N + 5 = S
G - 6 = A


AUTHORITY = FOYBTLNND

note:

  • 5 means move forward in english alphabet (P = Q-R-S-T-U)
  • 6 means move backward in english alpahbet(L = K-J-I-H-G-F)
  • since AUTORITY length (number of characters) is greater than the length of PLANNING, we just continue the pattern.. +5,-6,+5,-6 and so on..
6 Helpful 0 Interesting 0 Brilliant 0 Confused
Trishna B
Jun 29, 2014

alternate alphabets +5, -6 or 5 alphabets forward and 6 alphabets backwards

1 Helpful 0 Interesting 1 Brilliant 0 Confused
Sonia Gupta
May 8, 2016

In this the letters of the word are fluctuating in the pattern that first letter will be changed by the 5th letter after that and the second will be replaced by the 6th letter before that letter.

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Windhi Astro
Feb 16, 2016

Just +5 -6 position.

0 Helpful 0 Interesting 1 Brilliant 0 Confused
William Eichorst
Oct 13, 2015

If you write out both, Planning on the top and Uffhscsa on the bottom, you'll find that there is a numerical pattern to how the letters are changed; P-L-A-N-N-I-N-G 5-6--5-6--5--6-5-6 U-F-F-H-S-C-S-A U is 5 away from P; likewise, L is 6 away from F. A is 5 away from F. The reason for moving up (C, then B, then A) rather than moving down (A, then B, then C) is based on whether or not its a five (move Up) or a six (move down).

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Bhaskar Pandey
May 6, 2021 
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#Notice the difference between the cipher text and message is 5 characters for even index and 20 characters from odd index( string indexed from 0), hence the below code computes the desired cipher.
st='AUTHORITY'
print(''.join([chr((ord(st[i])+5+15*(i&1)-ord('A'))%26+ord('A')) for i in range(len(st))]))

0 Helpful 0 Interesting 0 Brilliant 0 Confused
CrimZy [Solo]
Apr 13, 2016

Kinda simple for me. In the word A U T H O R I T Y, there's 1 letter that has been repeated twice (T) in authority. While in the selection of answers, theres 3 incorrect answers with 2 letters that are repeated twice, and find the one that has 1 letter repeated twice, and thats your answer, simple and easy.

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Massimo Parisi
Mar 24, 2016

Vigenère cipher, that's all

Keyword: FUFUFUFUF

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Edmondo Tassi
Feb 12, 2016

If you start alternatively you Can count less otherwise you are italian spoken language. ...

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Nirupam Choudhury
Oct 15, 2015

The pattern is +5,-6,+7,-8 and so on

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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