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Coding and Decoding Questions & Answers : Logical Reasoning


  • 1. In a certain code IMTITJU is written as TMIIUJT. How is TEMREMP written in that code?
A.) METERPM
B.) METRPME
C.) ETRMMEP
D.) MTERPME

Answer: Option 'B'

In the given code, the letters of even numbered position have been left as they as they are while the first and the third letters have been interchanged. Similarly, the fifth and the seventh letters have been interchanged.

  • 2. In a certain code 'INACTIVE' is written as VITCANIE. How is 'COMPUTER' written in that code?
A.) UTEPMOCR
B.) MOCPETUR
C.) ETUPMOCR
D.) PMOCRETU

Answer: Option 'C'

There are 8 letters in the word. 
In the given code the fourth and the eighth letters from left have been left intact.
The first letter exchanges position with the seventh letter, the second letter with
the sixth letter and the third with the fifth letter..

  • 3. In a certain code STUDENT is written as TUTDNES. How will SOURCES be written in that code?
A.) SOURCES
B.) SUORECS
C.) SRUOCES
D.) SOURSEC

Answer: Option 'B'

There are 7 letters in the word. 
The middle letter (4th) has been left intact. 
The first and the last letters of the word have interchanged their position.
Similarly, the second and the thisrd letters and he fifth and the sixth letters have
interchanged their position.

  • 4. In a certain code LEARNING is written as LGNINRAE. How will SURPRISE be written in that code?
A.) ESRIPRUS
B.) RUSEPSIR
C.) SESIRPRU
D.) ESIRPRSU

Answer: Option 'C'

There are 8 letters in word. 
The first letter of the word has been left intact.
The order of remaining letters has been reversed.

  • 5. If PRIVATE is coded as 1234567 and RISK is coded as 2398, how is RIVETS coded?
A.) 232679
B.) 243769
C.) 234769
D.) 234976

Answer: Option 'C'

PRIVATE --> 1234567 
RISK --> 2398 
RIVETS --> 2 3 4 7 6 9

  • 6. In a certain code, SIKKIM is written as THLJJL, how is TRAINING written in that code ?
A.) SBQHOHOF
B.) UQBOHIOF
C.) UBQHOHOI
D.) UQBHOHOF

Answer: Option 'D'

Answer: Option 'D'
In given word, word is increasing and decreasing by one alternatively as,
S +1 T
I -1 H
K +1 L
K -1 J
I +1 J
M -1 L
So in the same way TRAINING will be UQBHOHOF

  • 7. In a certain code, TRIPPLE is written as SQHOOKD. How is DISPOSE written in that code ?
A.) CHRONRD
B.) EJTQPTG
C.) CHRPNRD
D.) EJTQPTF

Answer: Option 'A'

Clearly every letter is decreased by 1.
So DISPOSE will be CHRONRD

To whom this Coding and Decoding Question and Answers section is beneficial?

Students can learn and improve on their skillset for using Coding and Decoding effectively and can also prepare for competitive examinations like...

  • All I.B.P.S and Public Sector Bank Competitive Exam
  • Common Aptitude Test (CAT) Exams
  • UPSC Paper-II or CSAT Exams
  • SSC Competitive Exams
  • Defence Competitive Exams
  • NIIT online mock test
  • L.I.C Assistant Administrative Officer (AAO)/ G.I.C AAO and Clerk Competitive Exams
  • Railway Competitive Exam
  • University Grants Commission (UGC)
  • Career Aptitude Test (IT Companies) and etc.
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