If the code for LAMP is MZNO, the rule is that
Correct answer: A. consonants move forward and vowels move backward one place
- A. consonants move forward and vowels move backward one place
- B. every letter moves forward one place
- C. every letter moves backward one place
- D. the word is reversed
Explanation
L becomes M and M becomes N, both forward, but A becomes Z and P becomes O, which is backward, so the rule depends on whether the letter is a vowel. Mixed rules of this kind are common at the harder end of coding questions. Testing each letter separately rather than assuming one uniform shift is essential.
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Coding and decoding questions replace letters, numbers, words or symbols with another pattern and ask you to identify the rule or decode a new item. Methods include alphabet positions, shifts, reversals, substitution, rearrangement, numerical values and separate rules for different parts of a code.
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