1.
Using the directed graph, how many different routes are there to get from the Boston plant to the Worcester plant in exactly two transfers?
A.
4
B.
1
C.
2
D.
3
Hint
2.
Using the directed graph, what is the fewest number of transfers possible to get from the Fitchburg plant to the Lowell plant?
A.
0
B.
2
C.
1
D.
3
Hint
3.
How many ways can supplies be transferred directly to Fitchburg from other cities?
A.
1
B.
4
C.
2
D.
3
Hint
4.
How many ways can supplies be transferred directly to Providence from other cities?
A.
1
B.
0
C.
3
D.
2
Hint
5.
Which city has exactly two ways in which supplies can be transferred from other cities?
A.
Lowell
B.
Boston
C.
Worcester
D.
Providence
Hint