The Three Lanes: Elif, Dario, and Cleo

Verified— unique solution

zebra

Three lanes stand in a row, numbered 1 to 3 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 driver of the yellow car is the driver running on biofuel. 2. The driver of the black car is the driver running on petrol. 3. The driver of the black car is Dario. 4. Elif is the driver running on biofuel. 5. Cleo is directly next to Dario. 6. The driver running on biofuel is immediately to the left of the driver running on petrol.

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 lane (1–3) does “Elif” end up at? Answer with the number.

Hints

Solution

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