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Here are two IQ test questions for you:

  1. Fill in the blank in the sequence 1, 4, 9, 16, 25, __ , 49, 64, 81.
  2. What number comes next in the sequence 1, 1, 2, 3, 5, 8, 13, .. ?

Please stop and think about these questions before proceeding. Spoiler alert: the blog post reveals the answers.

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