Question 9The first two scales balance. How many suns must the question mark stand for so that the third scale balances?
Question 10Each symbol in the grid has a numerical value. Work out the values and find the number that replaces the question mark.
Question 11Which letter completes the star? Go clockwise from the top. Use A = 1, B = 2, ..., Z = 26.
Question 12The letters and numbers in this wheel are related. Which letter replaces the question mark? Use A = 1, B = 2, ..., Z = 26.
Question 16Each symbol has a value. How many moons must the question mark stand for so that the last scale balances?
Question 20Which letter completes the star? Go clockwise from the top. Use A = 1, B = 2, ..., Z = 26.