Which number continues the sequence 9, 13, 17, 21, 25, ...?
Answer and explanation
Correct answer: A. 29
- Step 1: The difference is 4. Step 2. 25 + 4 = 29. Answer: 29. Why not the others: 33: the step was added twice. 28: the pattern was misjudged by one. 30: the pattern was misjudged by one.
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