From: David Cantrell <[EMAIL PROTECTED]>
Date: 10/19/01 12:31:29 PM

>On Fri, Oct 19, 2001 at 09:48:51AM +0100, Greg McCarroll wrote:
>> And finally a quick riddle, where you have to work out 
>> the age of Diophantus,
>>   "Here lies Diophantus," the wonder behold . . .
>>   Through art algebraic, the stone tells how old:
>>   "God gave him his boyhood one-sixth of his life,
>>   One twelfth more as youth while whiskers grew rife;
>>   And then yet one-seventh ere marriage begun;
>>   In five years there came a bouncing new son.
>>   Alas, the dear child of master and sage
>>   After attaining half the measure of his fathers life
>>   chill fate took him.
>>   After consoling his fate by this science of numbers for
>>   four years, he ended his life." 
>
> This is trivial, but can give two answers depending on 
> how you interpret "half the measure of his fathers 
> life".  Is it half the measure of his father's *entire* 
> life, or half the measure of his father's life up until
> that point?

Yeah. Spotted that, but went with the most obvious one
(the first one).

> Assuming the former ...

As did I.

>   x/6 + x/12 + x/7 + 5 + x/2 + 4 = x

Well, we started with the same equation

> => 84x + 42x + 72x + 2520 + 252x + 1008 = 504x     # multiply
by 504

I multiplied by 84. Giving

14x + 7x + 12x + 420 + 42x + 336 = 84x

> => 2520 + 1008 = 3528 = 54x

756 = 9x

>=> x = 65 yrs 4 months, give or take a day or two

x = 84

I believe your error was in the calculation of 4 x 504 :)

hth,

Dave...
-- 
<http://www.dave.org.uk>

"Let me see you make decisions, without your television"
   - Depeche Mode (Stripped)





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