Henry Ernest Dudeney/Puzzles and Curious Problems/192 - The Submarine Net
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Puzzles and Curious Problems by Henry Ernest Dudeney: $192$
- The Submarine Net
- The illustration is supposed to represent a portion of a long submarine net,
- and the puzzle is to make as few cuts as possible from top to bottom,
- to divide the net into two parts,
- and so to make an opening for a submarine to pass through.
- Where would you make the cuts?
- No cut can be made through the knots.
- Only remember the cuts must be made from the top line to the bottom.
Click here for solution
Sources
- 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Geometrical Problems: Dissection Puzzles: $192$. -- The Submarine Net
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Combinatorial & Topological Problems: Route & Network Puzzles: $418$. The Submarine Net