Types of Sets
There is no content available!
To Access the full content, Please Purchase

Q1
Let A = {0, a, b}. The set equivalent to A is
Marks:1Answer:
{0, 1, b}
Explanation:
Two finite sets A and B are said to be equivalent if they have the same number of elements.

Q2
An example of finite set is, the set of all
Marks:1Answer:
letters of the English Alphabets.
Explanation:
The letters of the English Alphabets can be counted till a certain natural number so it’s finite. 
Q3
An example of empty set is
Marks:1Answer:
{x R : x^{2} +3 = 0}.
Explanation:
There is no real number whose square is 3. So, x^{2} + 3 = 0 is not satisfied by any real number. 
Q4
Which of the following is a null set?
Marks:1Answer:
{x : x^{2} + 1 = 0, x R}.
Explanation:
x^{2}+ 1 = 0 has no solution in R. 
Q5
Let the set A = {1, 2, 3, 4, 5} and the set B = {1, 2, 4}, then
Marks:1Answer:
B ⊂ A
Explanation:
All the elements of B are within A.
Therefore B is a subset of A.