Almost ready to publish APWJ Edn. Just need answers to these 2 problems, [3 of 4] and [4 of 4].
Ian On Wed, Nov 11, 2009 at 11:55 AM, Ian Clark <[email protected]> wrote: > In At Play With J Edn 1, there were 4 questions left as exercises for > the reader. In Edn 2 we want to provide the answers in an Appendix. > > Just so I don't get them wrong, could the forum please suggest what > the answers should be? You may have to refer to the Wiki page. > > I'm putting each question in a separate thread. > > +++++ > In: Ch 23 An Open and Shut Case > http://www.jsoftware.com/jwiki/Doc/Articles/Play164 [see end-of-page] > > "Here are the rest of the questions Amy had to answer. See if you can > answer them. > A. What do you notice about the lockers that were touched by > exactly two students? (Try m19 >: 2=dc ) > B. What do you notice about the lockers that were touched by > exactly three students? > C. What do you notice about the lockers that were touched by > exactly four students? > D. What was the first locker touched by both student 6 and student 8? > E. What do you notice about the student numbers of the students > that touched both locker 24 and locker 36? > F. Which students touched both locker 100 and 120? What do you > notice about their student numbers?" > +++++ > > Ian Clark > Subeditor, APWJ Edn 2 > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
