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The Four Platforms: Zara, Keiko, Priya, and Mateo

Verified— unique solution
zebra
Four platforms stand in a row, numbered 1 to 4 from left to right. Each holds exactly one of each attribute, and no attribute repeats. Work out the full arrangement from these clues: 1. The traveler holding a group fare is not Mateo. 2. Mateo is immediately to the right of the traveler holding a first-class ticket. 3. The traveler bound for Prague is not the traveler holding a day-return ticket. 4. Priya is directly next to the traveler holding a rail pass. 5. The traveler bound for Geneva is immediately to the left of the traveler holding a rail pass. 6. The traveler reading a guidebook is the traveler bound for Porto. 7. The traveler holding a rail pass is the traveler bound for Porto. 8. The traveler reading a manual is the traveler bound for Kraków. 9. The traveler reading a novel is Mateo. 10. The traveler reading a manual is Zara.

Hints

Hint 1
Hint 2
Hint 3

Solution

Commit an attempt to unseal the proof. Write your answer — right or wrong, thinking it through is the point.

In the final arrangement, which numbered platform (1–4) does “Zara” end up at? Answer with the number.

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