Answer and explanation

Correct answer: B. Q

  1. Step 1: Convert to positions: 2, 3, 5, 8, 12. Step 2. The gaps are 1, 2, 3, 4, so the gaps grow by 1 each time and the next gap is 5. Step 3. 12 + 5 = 17, which is Q. Answer: Q. Why not the others: R: This is one place too far on. P: This is one place too far back. S: This is two places too far on.

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