%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                 Example of use of macros
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
     
\magnification=\magstephalf
\font\AnsFont=cmtt10 at 14pt
\parskip=1pc
\parindent=15pt
     
\newcount\QuestionNumber
\QuestionNumber=1
     
\def\Question{\hangindent\parindent\ignorespaces\noindent\number
   \QuestionNumber.\space
   \advance\QuestionNumber by 1}
     
\DoAnswerstrue
     
\noindent{\bf With Answers:}
\medskip
     
\Question If all men are mortal, and Socrates is a man then 
\Ans{Socrates is mortal man, as well as a Greek man}.
     
\Question Five time four equals \Ans{20.}
     
\Question  Mares eat \Ans{oats}, and does eat \Ans{oats}, and little
lambs eat \Ans{ivy}.  I would eat ivy too, \Ans{wouldn't you}?
     
\DoAnswersfalse
     
\QuestionNumber=1
\bigskip
\noindent{\bf Without Answers:}
\medskip
     
\Question If all men are mortal, and Socrates is a man then
\Ans{Socrates is mortal man, as well as a Greek man}.
     
\Question Five time four equals \Ans{20.}
     
\Question  Mares eat \Ans{oats}, and does eat \Ans{oats}, and little lambs
eat \Ans{ivy}.  A kid'll eat ivy too, \Ans{would you}?
     
\bye