CLEAN : Guatemala president faces protests in corruption row

What is a fundamental characteristic of a group?

• It is always commutative.

• It has a finite number of elements.

• It is a subset of a larger set.

• It has an identity element.

What is the role of the identity element in a group?

• It leaves elements unchanged when combined.

• It determines the group's structure.

• It is used to combine elements.

• It defines the group's size.

Which of the following is an example of a group operation?

• Exponentiation

• Subtraction

• Division

• Multiplication

Which of the following is NOT a property of a group?

• Identity element

• Inverse element

• Commutativity

• Associativity

In which field are groups particularly significant?

• Physics

• Biology

• Literature

• Economics