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In a certain code, 'RIVER' is written as 'SJWFS'. How is 'WATER' written in that code?
XBUFS
XBUES
YBUFS
XBUFT
XBUFS
Observe the pattern by comparing the first letter: R (18) + 1 = S (19). Apply the same +1 shift to all letters in the word.
Observe the pattern by comparing the first letter: R (18) + 1 = S (19). Apply the same +1 shift to all letters in the word.
Analyze the pattern
Compare RIVER (R-I-V-E-R) with SJWFS (S-J-W-F-S). R+1=S, I+1=J, V+1=W, E+1=F, R+1=S. The rule is +1 to every character.
Apply rule to WATER
W+1=X, A+1=B, T+1=U, E+1=F, R+1=S. Combining these gives XBUFS.
B is wrong because it incorrectly translates the 4th letter E to E instead of F; C is wrong because it starts with Y instead of X; D is wrong because it ends with T instead of S.
A is correct because the coding logic involves shifting every letter of the word by +1 position in the English alphabet, resulting in WATER becoming XBUFS.
For coding-decoding questions, always check the difference between the first and last letters first to quickly identify if the shift is constant or progressive.