You are given some objects with various shapes and colours which are made of different materials. It is possible to arrange them in different orders based on different criteria.
No, I am unsure.
Grouping can be done based on various parameters such as color, shape, source, etc.The objects given to you are of different shapes so they can be grouped by their shapes like cylindrical, round, irregular, etc.
Similarly, they can be grouped on the basis of colour or materials they are made from.