Introduction
Coding-Decoding questions test your ability to identify patterns between letters, words, and numbers. Practice these questions to improve your logical reasoning and analytical thinking skills.
Question 1
If CAT is coded as DBU, how is DOG coded?
A) EPH
B) EPG
C) DPH
D) FQI
Answer
A) EPH
Explanation
Each letter is shifted one position forward.
C → D
A → B
T → U
Similarly:
D → E
O → P
G → H
DOG → EPH
Question 2
If BOOK is coded as CPPL, how is PEN coded?
A) QFO
B) RGP
C) QEN
D) QEP
Answer
A) QFO
Explanation
Each letter moves one step forward.
P → Q
E → F
N → O
PEN → QFO
Question 3
If APPLE is coded as BQQMF, how is MANGO coded?
A) NBOHP
B) OCPIQ
C) MBNHP
D) NCPHP
Answer
A) NBOHP
Explanation
Each letter is increased by one position.
M → N
A → B
N → O
G → H
O → P
MANGO → NBOHP
Question 4
If SUN is coded as TVO, how is SKY coded?
A) TLZ
B) TLX
C) UKZ
D) TMY
Answer
A) TLZ
Explanation
Each letter moves forward by one.
S → T
K → L
Y → Z
SKY → TLZ
Question 5
If CAR is coded as DBS, how is BUS coded?
A) CTV
B) CUT
C) DVT
D) CVT
Answer
A) CTV
Explanation
Each letter increases by one.
B → C
U → V
S → T
BUS → CVT
Key Learning
In many Coding-Decoding questions, letters are shifted forward or backward in the alphabet. Always check simple patterns before looking for complex rules.
Practice Tip
Write the alphabet sequence (A–Z) and observe how letters move from one position to another.
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