Given that the number 2008 is the correct answer to a sum, can you find n?

The mean of three numbers, x, y and z is x. What is the mean of y and z?

If $n$ is a positive integer, how many different values for the remainder are obtained when $n^2$ is divided by $n+4$?

A child's box of bricks contains cubes, cones and spheres. Can you work out how many spheres will balance a single cone?

Each letter stands for a different digit, and S is non-zero. Which letter has the lowest value?

This pattern repeats every 12 dots. Can you work out what a later piece will be?

For what numbers are each of these statements true? How many of the statements can be true at the same time?

Can you find the solution to this equation? Each of the different letters stands for a different number.