b) What is the length of one side of a cube?

28. In a game you need to get three coloured discs (green, blue and red) in the correct order.

Three attempts have been made and are shown below, with the number of discs that are in the correct positions.

What is the correct order for the three coloured discs?

Position 1 %BLANK% Position 2 %BLANK% Position 3 %BLANK%

YOU HAVE NOW FINISHED SECTION A.

NOTE: THERE ARE NO SECTIONS B OR C.

THE NEXT SECTION IS SECTION D.

3. a) Fill in each box with either + or − to make the answer of 100.

123 ——–— 45 ——–— 67 ——–— 89 = 100

7. Given that none of A, B or C is zero, work out what number each of the letters stands for in these two calculations.

A = %BLANK%

B = %BLANK%

C = %BLANK%

7. Given that none of A, B or C is zero, work out what number each of the letters stands for in these two calculations.

D = %BLANK%

E = %BLANK%

F = %BLANK%