$13.$ How much slack does activity E have?

$13.$ How much slack does activity E have?

Zero

$1$ week

$2$ week

$3$ week

$4$ week

Question at position $14$

$14$

$4$ points

Question at position $14$

$14.$ How much slack does activity F have?

$14.$ How much slack does activity F have?

Zero

$1$ week

$2$ week

$3$ week

$4$ week

Question at position $15$

$15$

$4$ points

Question at position $15$

$15.$ How much slack does activity B have?

$15.$ How much slack does activity B have?

Zero

$1$ week

$2$ week

$3$ week

$4$ week