Place the 16 different combinations of cup/saucer in this 4 by 4 arrangement so that no row or column contains more than one cup or saucer of the same colour.
The letters of the word ABACUS have been arranged in the shape of a
triangle. How many different ways can you find to read the word
ABACUS from this triangular pattern?
There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?
Each of the two main diagonals of the puzzle must have the
numbers 1 to 9.
Within the 9x9 pattern there is a highlighted "rectangle" with
its width four and length six cells respectively. Each width of the
"rectangle" outline must contain all the four numbers 1 to 4.
Similarly, each length of the "rectangle" must contain all the six
numbers 1 to 6.