If FIST is coded as JMWX, then the code for BOAT will be:

AESFX

BBCFX

CCDEX

DFSEX ✓ Correct

Correct answer: (D) FSEX

Explanation

BOAT is coded as FSEX.

In FIST to JMWX every letter moves forward by 4.

F+4=J, I+4=M, S+4=W, T+4=X.

Apply the same +4 shift to BOAT.

B+4=F, O+4=S, A+4=E, T+4=X = FSEX.

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