Re: Re: Non-Mensa test
  By: Roger Nelson to Jeff Snyder on Fri May 20 2011 11:12 am

 > One man can mow a lawn in six hours.
 > Another man can mow the same lawn in three hours.
 > If they both worked together at their respective rates, how long would they
 > take?

There's a formula for this, but I forget it.

I'm gonna guess 1:45?
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