Five persons, Ali, Ehsan, Moni, Shirin and Tariq, live on the five floors of a building, one per floor, numbered 1 (lowest) to 5 (top). Each likes a different colour among black, red, orange, blue and white. Moni lives immediately above Ali. Ehsan lives immediately above Moni. Only one person lives between Tariq and Ehsan. The person who likes orange lives immediately above Ali. The person who likes black lives on an odd-numbered floor. The person who likes blue lives on floor 1. The person who likes white lives immediately above Moni. Which colour does Shirin like?
Correct answer C. Red
Explanation
From floor 1 upwards the unique arrangement is Ali (blue), Moni (orange), Ehsan (white), Shirin (red), Tariq (black). Hence Shirin likes red.
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