IBPS Coding-Decoding 1

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'?

Accepted Answer

VNB

Answer

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'?

Accepted Answer

TOPX

Answer

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'?

Accepted Answer

FCYR

Answer

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'?

Accepted Answer

OLEV

Answer

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'?

Accepted Answer

HSK

Answer

D+4=H, O+4=S, G+4=K, giving HSK.

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