I'm posting one puzzle, riddle, math, or statistical problem a day. Try to answer each one and post your answers in the comments section. I'll post the answer the next day. Even if you have the same answer as someone else, feel free to put up your answer, too!
Monday, March 16, 2009
What Comes Next?
What number should logically replace the question mark?
48725, 5274, 425, ?
Leave your answer or, if you want to post a question of your own, send me an e-mail. Look in the about section to find my e-mail address. If it's new, I'll post it soon.
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My inclination is 24:
ReplyDeleteEach 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
Nice work oudeis. You figured out the sequence. The next number is 24.
ReplyDelete