Find the odd letter triple (step pattern +2 then +4): Choose the option that does not follow the increases of +2 then +4 in alphabet order.
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AHJN
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BJLP
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CPRU
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DQSW
Answer
Correct Answer: PRU
Explanation
Introduction / Context:Many alphabet puzzles rely on fixed jumps between letters. A common construct is a two-step pattern such as “+2, then +4”. Detecting the arithmetic on positions (A=1, …, Z=26) reveals the consistent rule quickly.
Given Data / Assumptions:
- H → J (+2), J → N (+4) → HJN fits.
- J → L (+2), L → P (+4) → JLP fits.
- Q → S (+2), S → W (+4) → QSW fits.
- P → R (+2), R → U (+3) → PRU does not fit (+2, +3 instead of +2, +4).
Concept / Approach:Translate each letter to its index and verify successive differences. The single item that breaks the “+2 then +4” structure is the odd one out.
Step-by-Step Solution:
1) Compute pairwise differences for each triple.2) Match against the target pattern (+2, +4).3) Only PRU yields (+2, +3) and is therefore the outlier.Verification / Alternative check:Reversing the test (checking -2, -4 from right to left) produces the same conclusion for the three conforming cases and still flags PRU as inconsistent.
Why Other Options Are Wrong:They faithfully implement the +2, then +4 rule.
Common Pitfalls:Do not wrap across Z here; none of the conforming items require wrap-around, which keeps the pattern transparent.
Final Answer:PRU