Island Transportation Puzzle

map of islands

These four islands are located in an ocean as part of a chain of islands.

Using the information below, what can you figure out from it?

Between implies a connection from one to the other. Meaning travel is possible both ways.

  1. One brochure says planes travel from Cyll Island to Dyll Island .
  2. Another brochure says that there is no way to travel by air between Ayll Island and Byll Island .

Use these two clues to answer this question,
before reading the next clue.

A. Can people go by airplane between Byll Island and Dyll Island ?
Explain your answer.

 

Suppose another brochure is found that says:

People can travel by air from Byll Island to Dyll Island.

Now use all of the information to answer the following questions.

B. Can people go by airplane between Byll Island and Cyll Island ?
Explain your answer.

 

C. Can people go by airplane between Ayll Island and Cyll Island ?
Explain your answer.