Cleave Books
Answers to Puzzle Trio 15

43.7 (red, amber, green, r+a, a+g, r+g, r+a+g.) Order is immaterial. (NO colour at all could indicate only a power failure. Not a useful signal.)
44.Between 6 and 3. (Think alphabetically: six, ten, three.)
45. 2.9167 metres (or 35/12) (It is a little surprising to find that this height is independent of the distance apart of the two poles.)

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