Question

$\begin{array}{ccc}\text{Event numbers}& \text{Activity}& \text{Duration}\\ 1-2& A& 5\\ 1-3& B& 6\\ 2-3& C& 3\\ 2-4& D& 8\\ 4-5& \text{Dummy}& 0\\ 3-5& E& 2\\ 3-6& F& 11\\ 4-6& H& 1\\ 5-6& G& 12\end{array}$

Activities on critical path are

• A. $\text{D, Dummy}$
• B. $\text{A, E}$
• C. $\text{B, G}$
• D. $\text{E, G}$

Answer 1

The correct option is A $\text{D, Dummy}$

$\text{Activities on critical path are D, Dummy.}$