Edexcel D1 — Question 7 16 marks

Exam BoardEdexcel
ModuleD1 (Decision Mathematics 1)
Marks16
PaperDownload PDF ↗
Mark schemeDownload PDF ↗
TopicCritical Path Analysis
TypeDraw activity network from table
DifficultyModerate -0.8 Drawing an activity network from a precedence table is a routine D1 skill requiring only direct application of standard rules (activities as arcs, dependencies determine structure). This is a straightforward textbook exercise with no problem-solving or novel insight required, making it easier than average.
Spec7.05a Critical path analysis: activity on arc networks7.05b Forward and backward pass: earliest/latest times, critical activities7.05c Total float: calculation and interpretation
7. A project involves six tasks, some of which cannot be started until others have been completed. This is shown in the table below. \includegraphics[max width=\textwidth, alt={}, center]{e1fd42f7-c97c-4bf2-92d3-69afc8bb6e29-09_2036_1555_349_248}
  1. \(\_\_\_\_\)
  2. \(\_\_\_\_\) \section*{Sheet for answering question 5} NAME \section*{Please hand this sheet in for marking} Sheet for answering question 6
    NAME \section*{Please hand this sheet in for marking}
      1. \includegraphics[max width=\textwidth, alt={}, center]{e1fd42f7-c97c-4bf2-92d3-69afc8bb6e29-11_666_1280_461_374}
      2. \includegraphics[max width=\textwidth, alt={}, center]{e1fd42f7-c97c-4bf2-92d3-69afc8bb6e29-11_657_1276_1356_376} Maximum Flow = \(\_\_\_\_\)
    3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
    4. \(\_\_\_\_\)
    5. \(\_\_\_\_\)
7. A project involves six tasks, some of which cannot be started until others have been completed. This is shown in the table below.

\includegraphics[max width=\textwidth, alt={}, center]{e1fd42f7-c97c-4bf2-92d3-69afc8bb6e29-09_2036_1555_349_248}
\begin{enumerate}[label=(\alph*)]
\item $\_\_\_\_$
\item $\_\_\_\_$\\

\section*{Sheet for answering question 5}
NAME

\section*{Please hand this sheet in for marking}
Sheet for answering question 6\\
NAME

\section*{Please hand this sheet in for marking}
(a)\\
(b) (i)\\
\includegraphics[max width=\textwidth, alt={}, center]{e1fd42f7-c97c-4bf2-92d3-69afc8bb6e29-11_666_1280_461_374}\\

(ii)\\
\includegraphics[max width=\textwidth, alt={}, center]{e1fd42f7-c97c-4bf2-92d3-69afc8bb6e29-11_657_1276_1356_376}

Maximum Flow = $\_\_\_\_$
\item . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
\item $\_\_\_\_$
\item $\_\_\_\_$
\end{enumerate}

\hfill \mbox{\textit{Edexcel D1  Q7 [16]}}
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Q1 6 Q2 7 Q3 7 Q4 12 Q5 12 Q6 15 Q7 16