+-----+-----+-----+-----+
   |     |     |     |     |     
   |  1  |  2  |  3  |  4  |    
   +-----+-----+-----+-----+
   |     |     |     |     |        
   |  5  |  6  |  7  |  8  |         
   +-----+-----+-----+-----+
   |     |     |     |     |     
   |  9  | 10  | 11  | 12  |     
   +-----+-----+-----+-----+
   |     |     |     |     |      
   | 13  | 14  | 15  | 16  |  
   +-----+-----+-----+-----+

There are 16 shelves on a wall which are arranged as shown in the diagram above. On each shelf there is a tin of paint, each containing a different type of Yellow. Using the following information, determine which type of yellow paint is on each of the 16 shelves.

1. Amber is below Fallow which is to left of Cream and Topaz.
2. Sulphur is below Buff and to the left of Primrose.
3. Cream is below Xanthic which is also to the left of Primrose.
4. Lemon and Guilded are to the right of Gold which is below Topaz.
5. Gamboge is to the left of Plain Yellow and above Aureate which is to the right of Sulphur.
6. Primrose is to the right of Aureate and below Gilt.
7. Saffron is above Lemon and below Gilt.

Note: To the left or right of refers to paint tins in the same row. Above or below refers to paint tins in the same column.

• 1-Buff
• 2-Gamboge
• 3-Plain Yellow
• 4-Gilt
• 5-Sulphur
• 6-Aureate
• 7-Xanthic
• 8-Primrose
• 9-Fallow
• 10-Topaz
• 11-Cream
• 12-Saffron
• 13-Amber
• 14-Gold
• 15-Guilded
• 16-Lemon

Easy to solve using Binary colours for Yes / No on an excel spread sheet.

Posted by Salil on 2013-05-16 06:37:19