What are the elements of a set or members of a set?

The objects used to form a set are called its element or its members.

Generally, the elements of a set are written inside a pair of curly (idle) braces and are represented by commas. The name of the set is always written in capital letter.

Solved Examples to find the elements or members of a set:

**1.** A = {v, w, x, y, z}

Here ‘A’ is the name of the set whose elements (members) are v, w, x, y, z.

**2.** If a set A =
{3, 6, 9, 10, 13, 18}. State whether the following statements are ‘true’ or ‘false’:

(i) 7 ∈ A

(ii) 12 ∉ A

(iii) 13 ∈ A

(iv) 9, 12 ∈ A

(v) 12, 14, 15 ∈ A

**Solution:**

(i) 7 ∈ A

False, since the element 7 does not belongs to the given set A.

(ii) 10 ∉ A

False, since the element 10 belongs to the given set A.

(iii) 13 ∈ A

True, since the element 13 belongs to the given set A.

(iv) 9, 10 ∈ A

True, since the elements 9 and 12 both belong to the given set A.

(v) 10, 13, 14 ∈ A

False, since the element 14 does not belongs to the given set A.

**3.** If set Z = {4,
6, 8, 10, 12, 14}. State which of the following statements are ‘correct’ and
which are ‘wrong’ along with the correct explanations

(i) 5 ∈ Z

(ii) 12 ∈ Z

(iii) 14 ∈ Z

(iv) 9 ∈ Z

(v) Z is a set of even numbers between 2 and 16.

(vi) 4, 6 and 10 are members of the set Z.

**Solution:**

(i) 5 ∈ Z

Wrong, since 5 does not belongs to the given set Z i.e. 5 ∉ Z

(ii) 12 ∈ Z

Correct, since 12 belongs to the given set Z.

(iii) 14 ∈ Z

Correct, since 14 belongs to the given set Z.

(iv) 9 ∈ Z

Wrong, since 9 does not belongs to the given set Z i.e. 9 ∉ Z

(v) Z is a set of even numbers between 2 and 16.

Correct, since the elements of the set Z consists of all the multiples of 2 between 2 and 16.

(vi) 4, 6 and 10 are members of the set Z.

Correct, since the 4, 6 and 10 those numbers belongs to the given set Z.

● **Set Theory**

●** Sets**

**● **Subset

**7th Grade Math Problems**

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