TB MC Qu$.19-16$ Which of the following is the...

Which of the following is the activity$-$on$-$node graph for the following dependency matrix?

Predecessor activity

A$1$ A$2$ A$3$

Successor activity A$1$

A$2$ X

A$3$ X

Multiple Choice

graphicOption $4.$ A$1$ and A$3,$ leads to A$2.$Expand image

graphicOption $1.$ A$1,$ leads to A$2$ and A$3.$Expand image

graphicOption $3.$ A$1,$ leads to A$2.$ A$2$ leads to A$3.$Expand image

graphicOption $2.$ A$1,$ leads to A$2.$Expand image