Difference of Two Sets
Trending Questions
Given U={x:x∈N, x≤9}, A={x:x is divisible by 2} and B={x:x3∈N}, where U is the universal set. Then, (A∪B)−(A∩B) = ____.
{2, 3, 4, 6, 8, 9}
{2, 3, 4, 8, 9}
{3, 6, 9}
{2, 4, 6, 8}
The operation in which we obtain the elements that are only in set A but not in set B is __________ .
B - A
A ∪ B
A - B
A + B
If A = {1, 2, 3, 4, 5, 6} and B = {2, 4, 6, 8}, then the sets A - B and B - A are __________ and ____________ respectively.
{1, 3, 5} ; {8}
{1, 3, 5} ; {2, 4, 6}
{2, 4, 6} ; {2, 4, 6}
{1, 5} ; {8}
Match the following:
Given U is universal set.
A, B are subsets of U.
n(U), n(A), n(B) are the cardinal numbers of U, A and B respectively.
Number of:
A - iii, B - iv, C - ii, D- i
A - iii, B - iv, C - i, D- ii
A - i, B - iv, C - ii, D- iii
A - ii, B - iv, C - iii, D- i
If A={1, 2, 3, 4, 5, 6}, B={1, 2}, then A−B=C . What of the following is true about C?
C⊂A
C=ϕ
A=C∩B
B=C∪B
For 2 sets A and B, which of the following is/are true always?
A - B = {x : x ∈ A and x ∉ B}
The sets A - B, A ∩ B and B - A are mutually disjoint sets.
A - B = B - A
A ∪ B = {x : x ∈ B and x ∉ A}
A = {3, 6, 9, 12, 15, 18, 21}
B = {2, 4, 6, 8, 10, 12, 14, 16}
C = {5, 10, 15, 20}
Match the following :
AB 1. B−C A. {5, 10, 20} 2. A−C B. {3, 9, 15, 21} 3. C−(A−B) C. {3, 6, 9, 12, 18, 21} 4. C∩(A−B) D. {15} E. {2, 4, 6, 8, 12, 14, 16}
1 - E, 2 -C, 3 - D, 4 - A
1 - E, 2 -C, 3 - A, 4 - D
1 - C, 2 -A, 3 -E, 4 - D
1 - C, 2 -A, 3 -D, 4 - E
If A = Set of whole numbers and B = Set of natural numbers, then A - B = ___.
{0}
A
{1}
{ }
In which of the following figures, does the shaded portion show B - A?
If A = {2, 4, 6, 8} and B = {1, 2, 3, 4, 5}, then A - B = ______.
{ }
{1, 3, 5}
{6, 8}
{2, 4}