Question $1$:

Given the following information, draw the AON diagram:

$\backslash$table$[[$Activity$,$Immediate Predecessor$],[1,-],[2,-],[3,1,4],[4,2],[5,2],[6,3,5]]$

Question $2$:

$4.$ Given the diagram below, find:

$($a$)$ The critical path.

$($b$)$ How long it will take to complete the project.

Question $3$:

$7.$ Given the following activities and precedences, draw an AOA or AON diagram:

Activity Immediate Predecessor

$\backslash$table$[[$A$,-],[$B$,-],[$C$,$A$],[$D$,$A$,$ B$],[$E$,$A$,$ B$],[$F$,$C$],[$G$,$D$,$ F$],[$H$,$E$,$ G$]]$

Question $4$:

$9.$ Given the estimated activity times below and the network in Problem $8$ above,

$\backslash$table$[[$Activity$,a,m,b$