Team `A` and Team `B` have entered a chess competition.
Team `A` and `B` have three members each. Each member of Team `A` must play each member of Team `B` once.
Which of the following network diagrams could represent the chess games to be played?
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Networks, STD2 N2 SM-Bank 37
The map of Australia shows the six states, the Northern Territory and the Australian Capital Territory (ACT).
In the network diagram below, each of the vertices `A` to `H` represents one of the states or territories shown on the map of Australia. The edges represent a border shared between two states or between a state and a territory.
- In the network diagram, what is the order of the vertex that represents the Australian Capital Territory (ACT)? (1 mark)
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- In the network diagram, Queensland is represented by which letter? Explain why. (2 marks)
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Networks, STD2 N2 2015 FUR1 5 MC
The graph below represents a friendship network. The vertices represent the four people in the friendship network: Kwan (K), Louise (L), Milly (M) and Narelle (N).
An edge represents the presence of a friendship between a pair of these people. For example, the edge connecting K and L shows that Kwan and Louise are friends.
Which one of the following graphs does not contain the same information.
