Friday, February 27, 2009

Replace the Question

What number should logically replace the question mark?

81 6
54
144 7
84
64 8
?

3 comments:

  1. 64.

    Each number alone in its row is the product of (the square root of the first number of the row above) and (the second number of the row above).

    Thus:
    sqrt(81)*6=9*6=54
    sqrt(144)*7=12*7=84
    sqrt(64)*8=8*8=64

    ReplyDelete
  2. That's right. The answer is 64. You figured out the pattern fairly quickly!

    ReplyDelete
  3. the answer is 64.. please dont overact.. !!

    ReplyDelete

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.

Please don't leave spam or 'Awesome blog, come visit mine' messages. I'll delete them soon after.

Enter your Email and join hundreds of others who get their Question of the Day sent right to their mailbox


Preview | Powered by FeedBlitz


The Lamplight Manor Puzz 3-D
Are you looking for a particular puzzle, riddle, question, etc? Or do you want to find the answer today rather than wait till tomorrow!
Google