Tuesday 3 November 2026 · Knights and knaves · Gentle
Kind of thinking: DeductionYukti #25 was a Gentle knights and knaves, the puzzle for Tuesday 3 November 2026. Yukti, a daily logic puzzle at playyukti.com, gives everyone the same puzzle each day. Here is the puzzle, and its shortest route with the reason for every step.
The puzzle
Who is lying?
On this island, knights always tell the truth and knaves always lie. Mark each islander. Every mark must be a certain deduction, not a guess.
- Priya says: “Ivan is a knave.”
- Ana says: “Ivan and I are the same kind.”
- Ivan says: “At least 2 of us are knaves.”
What is the shortest route?
3 marks. Each step says why it's certain.
- 1
Ivan is a knight.
Ana's words settle it, whether Ana is a knight or a knave.
- 2
Priya is a knave.
If Priya were a knight, Priya's words would be false, but knights never lie.
- 3
Ana is a knave.
Ivan's words settle it, whether Ivan is a knight or a knave.
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