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Very challenging math questions.
#7
stence Wrote:sorry am at singapore but am only a 5 grader

Don't reply here if you can't contribute anything to the topic... post deleted.

Also, move this to forum games, because it rather fits in there.

So now -

2. How many numbers n have the property that both n/2 and 2n are four digits whole numbers?

Gotta be 2000 - 4999. That means there are 3000 numbers.
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Messages In This Thread
RE: Very challenging math questions. - by YinYin - 03-28-2008, 08:49 AM
RE: Very challenging math questions. - by Lauli - 03-28-2008, 12:26 PM
RE: Very challenging math questions. - by YinYin - 03-28-2008, 12:59 PM
RE: Very challenging math questions. - by Lauli - 03-28-2008, 01:21 PM
RE: Very challenging math questions. - by YinYin - 03-28-2008, 02:08 PM
RE: Very challenging math questions. - by YinYin - 04-03-2008, 06:32 AM
RE: Very challenging math questions. - by Ramond - 04-03-2008, 12:11 PM
RE: Very challenging math questions. - by Ramond - 04-06-2008, 12:37 PM



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