This special ice cream machine creates cones with 4 scoops of ice cream. It does so in an ordered way. Here you see, from left to right, the last 3k ice creams that the machine has made., Elsa is trying to rearrange her shelf. She has two rules: 1. Rectangular items must not be next to each other. 2. Circular items must not be next to rectangular items. Which one of these shelves has followed her rules correctly?, A mouse is at the entrance of a tube system. It wants to reach the cheese at the end of tube 5. The mouse always follows these commands: 1. Go downwards until a crossing. 2. At the crossing, move through to the next vertical tab. 3. Go to command 1. In which tube should the mouse start so that it reaches the cheese?, 1, 2, 3, 4, 5, If the image above is the starting position for the beads what is the smallest number of steps needed to arrange the beads as in the image below?, 4, 5, 6, 7, 8, In how many ways can the three friends choose a group of seats so that they all get what they want?, 3, 4, 5, 6

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