IBPS Coding-Decoding 1 — Questions and Answers
Question 1: In a code language, each letter is shifted 3 places forward in the alphabet (Z wraps to C). If 'ACE' is coded as 'DFH', what is the code for 'SKY'?
- VNB (Correct answer)
- VNA
- UNB
- VMB
Correct answer: VNB
S+3=V, K+3=N, Y+3=B (Y is the 25th letter; 25+3=28, wraps to 2nd letter=B), giving VNB.
Question 2: If 'RAIN' is coded as 'SBJO' (each letter shifted +1), what is the code for 'SNOW'?
- TOPW
- TOPX (Correct answer)
- UOPX
- TONX
Correct answer: TOPX
S+1=T, N+1=O, O+1=P, W+1=X, giving TOPX.
Question 3: In a code, each letter is replaced by the letter 2 places before it (circular: A-2=Y). If this rule applies, what is the code for 'HEAT'?
- FCYR (Correct answer)
- FCXR
- GCYR
- FCYS
Correct answer: FCYR
H-2=F, E-2=C, A-2=Y (circular), T-2=R, giving FCYR.
Question 4: In a code, each letter is replaced by its mirror opposite in the alphabet (A↔Z, B↔Y, C↔X, etc.). What is the code for 'LOVE'?
- OLVE
- OLEV (Correct answer)
- OREV
- NLEV
Correct answer: OLEV
L(12)→O(15), O(15)→L(12), V(22)→E(5), E(5)→V(22), giving OLEV.
Question 5: If 'CAT' is coded as 'GEX' using a +4 letter shift, what is the code for 'DOG'?
- HSK (Correct answer)
- ITL
- GSK
- HTK
Correct answer: HSK
D+4=H, O+4=S, G+4=K, giving HSK.
Question 6: In a certain code, 'PARK' is written as 'QBSL' (each letter +1). What word does 'CBOL' decode to?
- TANK
- RANK
- BANK (Correct answer)
- SANK
Correct answer: BANK
Reversing the +1 shift: C-1=B, B-1=A, O-1=N, L-1=K, giving BANK.
Question 7: If 'MANGO' is coded as 'NBOHP' (each letter +1), what is the code for 'LEMON'?
- MFNOP
- MFNPO (Correct answer)
- NGNPO
- MGNPO
Correct answer: MFNPO
L+1=M, E+1=F, M+1=N, O+1=P, N+1=O, giving MFNPO.
IBPS Coding-Decoding 1
In a code language, each letter is shifted 3 places forward in the alphabet (Z wraps to C).
If 'ACE' is coded as 'DFH', what is the code for 'SKY'?