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Monday, March 16, 2009

What Comes Next?

What number should logically replace the question mark?
48725, 5274, 425, ?

2 comments:

  1. My inclination is 24:

    Each number is obtained by reversing the digits in the previous number, then removing the highest digit. So:

    48725-->52784-->5274
    5274-->4725-->425
    425-->524-->24

    ReplyDelete
  2. Nice work oudeis. You figured out the sequence. The next number is 24.

    ReplyDelete

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