Which number is missing in the following series? 1, 1, 4, 8, 9, ? 16, 64

Correct Answer: 27

Subject: Reasoning

• 19
• 17
• 27
• 15

Explanation: The order of the given number series is as follows: 1², 1³, 2², 2³, 3², 3³, 4², 4³. Therefore: ? = 3³ = 27.

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