Which number continues the sequence? 3, 39, 5, 36, 7, 33, ...
Answer and explanation
Correct answer: A. 9
- Step 1: Two patterns alternate: +2 in the odd places and -3 in the even places. Step 2. The next number belongs to the first pattern: 7 + 2 = 9. Answer: 9. Why not the others: 30: the second pattern was continued instead of the first. 11: the step was added twice. 7: the step was subtracted.
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