In a code language, if SUN is written as TVO, then MOON is written as

  • A. NPPO
  • B. LNNM
  • C. NPPN
  • D. NOOP

Explanation

Each letter advances by one, so M becomes N, both Os become Ps and N becomes O. The doubled letter in MOON must be coded twice in the same way, which is where mistakes creep in. Consistency across repeated letters is a useful self check.

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