Page 6 - OPERATIONS RESEARCH
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c.  After pondering over the network and rechecking from the records, it was found that B

                       was  really  a  predecessor  of  D  rathe  than  vice  versa.  Draw  a  revised  network
                       incorporating this new change.

                   d.  Draw  an  arrow-diagram  representation  of  the  network  in  part  (c).  how  many
                       dummyactivity did you use in your network?

               SOLUTION:

                   a.  i. A is the first step which precedes B and C.


















                           ii .C precedes D and E.




















               iii.F follows E and D and is the successor of F:
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