Q 91

The map below shows the territory for a parking control officer. The dots represent parking meters that need to be checked. Which graph would be useful for finding an efficient route?

Q 92

In the graph below, find the largest number of paths from A to G that do not have any edges in common.
A) 2
B) 3
C) 4
D) 5

Q 93

It is possible to construct a graph such that the sum of all valences is odd.