Henry Ernest Dudeney/Puzzles and Curious Problems/56 - The Ambiguous Clock/Solution

by : $56$

 * The Ambiguous Clock

Solution

 * $12:05 \tfrac 5 {143}$, where it cannot be distinguished from $01:00 \tfrac {60} {143}$.


 * Dudeney-Puzzles-and-Curious-Problems-56-Solution.png

Proof
See Ambiguous Times for full analysis.