Five-letter patterned blocks with alternating +3 and −2 streams: AYBZC, DWEXF, GUHVI, JSKTL, ? Identify the next block by following each character-position’s rule.
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AMQORN
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BMQNRO
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CNQMOR
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DQMONR
Answer
Correct Answer: MQNRO
Explanation
Introduction / Context:Each block has five letters, and every position within the block (1st through 5th) follows its own independent alphabetical rule across blocks. Two of these rules move forward by +3, and two move backward by −2, creating a braided pattern.
Given Data / Assumptions:
- Blocks: AYBZC, DWEXF, GUHVI, JSKTL, ?
- Alphabet indices A=1 … Z=26.
- We track each of the five positions across blocks separately.
Concept / Approach:Write the five vertical streams: 1st letters, 2nd letters, 3rd, 4th, and 5th. Identify the step for each stream, then apply it to the last known block to generate the next block.
Step-by-Step Solution:
1st letters: A → D → G → J → M (each +3).2nd letters: Y → W → U → S → Q (each −2).3rd letters: B → E → H → K → N (each +3).4th letters: Z → X → V → T → R (each −2).5th letters: C → F → I → L → O (each +3).Combine: M Q N R O → MQNRO.Verification / Alternative check: Why Other Options Are Wrong: Common Pitfalls:Trying to spot a single across-the-line rule inside each block instead of tracking columns through successive blocks. Final Answer:MQNRO