Which number comes next in the sequence 2, 3, 5, 8, 12, ?

Answer and explanation

Correct answer: A. 17

  1. Step 1: The differences are 1, 2, 3, 4. Step 2. The next difference is 5, so 12 + 5 = 17. Answer: 17. Why not the others: these do not follow the growing differences.

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