Gordon Lightfoot Forums - One for the mathmaticians

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Jim Nasium

01-29-2009 11:36 AM

One for the mathmaticians

A number is multiplied by it's self 4 times. The result is then divided by 194481 to give the original number. What is that number?

This is not the start of a long line of mindbending questions, just a one off.

RM	01-29-2009 12:21 PM

Re: One for the mathmaticians

My calculator reports that the number is..............21

Jim Nasium

01-29-2009 01:24 PM

Re: One for the mathmaticians

Spot on RM, go to the top of the class.

charlene

01-29-2009 02:29 PM

Re: One for the mathmaticians

random guess or method of deduction or ?

RM	01-29-2009 02:53 PM

Re: One for the mathmaticians

Quote:

Originally Posted by charlene (Post 147975)

random guess or method of deduction or ?

A bit of both. Since the original number would be growing exponentially, I figured it would probably be double digits. I randomly tried 20. That was too low, but close. Next up was 21.........

charlene

01-29-2009 03:20 PM

Re: One for the mathmaticians

daring move mr.meason..
;)

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