What number comes next in the series 7, 36, 11, 31, 15, 26, ...?
Answer and explanation
Correct answer: B. 19
- Step 1: Two patterns alternate. The odd positions rise by 4 (7, 11, 15) so the next odd-position term is 19. Answer: 19. Why not the others: 21, 15 and 23 don't fit.
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