Dave's 84 is the correct answer for this riddle.

* Dave Cross ([EMAIL PROTECTED]) wrote:
> 
> 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)
> 
> 
> 
> 
-- 
Greg McCarroll                                 http://217.34.97.146/~gem/

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