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Common Answers

Have you entered August's Common Answers?

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Puzzle - Answer

What number comes next in this sequence:

3 24 102 312 777 ==?==

 [Ref: ZUCY] © Kevin Stone

Answer: 1680.

This is n to the power of 5, starting with 2^5 = 32, with the last digit missing, 7^5 = 16807.

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