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!
Tuesday, October 24, 2006
Math Trivia
What number when multiplied against itself will result in a number which includes the numbers (1 - 9) in forward order, and then descending in order from the 9? (i.e., to get the number: 12,345,678,987,654,321)
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The square root of 12345678987654321 = 111111111
ReplyDeleteThis is the end of a progression of 11 squared = 121
111 squared = 12321
and on up
You got it Mr Don.
ReplyDelete111,111,111 X 111,111,111 = 12,345,678,987,654,321
BUT WAT IS THE PROCEDURE TO FIND THIS?
ReplyDelete