Proper Set

Q.

When is A called proper subset of B?

1. A = B

2. A ≠ B

3. Both A & B

4. Both A & C

5. A ⊂ B

Q. Set of natural numbers A = $A=\{x:xϵN\}$ is a proper subset of which of the following

1. Set of whole numbers $A_1=\{x:xϵW\}$
2. Set of Real numbers $A_2=\{x:xϵR\}$
3. Set of Integers $A_3=\{x:xϵI\}$
4. All of the above.

Q.

The number of proper subsets of the set $\{1,2,3\}$ is ___.

1. 8

2. 7

3. 6

4. 5

Q.

What is the total number of proper subsets of a set consisting of n elements ?

Q.

Write down all possible proper subsets each of the following sets :

(i) {1, 2} (ii) {1, 2, 3}

(iii) {1}

Q.

The number of proper subsets of the set $\{1,2,3\}$ is ___.

1. 8

2. 7

3. 6

4. 5

Q. Set of natural numbers A = $A=\{x:xϵN\}$ is a proper subset of which of the following

1. Set of whole numbers $A_1=\{x:xϵW\}$
2. Set of Real numbers $A_2=\{x:xϵR\}$
3. Set of Integers $A_3=\{x:xϵI\}$
4. All of the above.

Q.

When is A called proper subset of B?

1. A ⊂ B

2. A = B

3. A ≠ B

4. Both A & B

5. Both A & C

Q.

The number of proper subsets of the set $\{1,2,3\}$ is ___.

1. 8

2. 7

3. 6

4. 5

Q.

When is A called proper subset of B?

1. A ⊂ B

2. A ≠ B

3. Both A & B

4. Both A & C

5. A = B