WorksheetsSet operations
Total questions: 15
Worksheet time: 13mins
(A∪B)′
{1,2,3,4,5,7,8}
{1,3,4,8}
{1,3,4,5,7,8}
{5,7}
(A∩B)′
{1,2,3,4,5,7,8}
{1,3,4,8}
{1,3,4,5,7,8}
{5,7}
Let A and B be two finite sets such that n(A) = 20, n(B) = 28 and n(A ∪ B) = 36, find n(A ∩ B).
9
10
11
12
M = { d, u, c, k } and P = { c, a, s, e }. What is M - P?
{ c, a, s, e }
{ a, s, e }
{ d u, k}
{ d, u, c, k }
Which is the correct set notation for A intersection B ?
{12, 14, 15, 18, 21}
{10, 11, 12, 14, 15, 18, 21}
{10, 11, 13, 16, 17, 19, 20}
{21}
Which statement best describes the shaded region in the Venn diagram?
set of elements in B
set of elements in both A and B
set of elements in A only
set of elements in B only
U={1,2,3,4,5,6,7,8,9,10}
A={1,3,5,9}
What is The complement of set A?
A-U={1,3,5,9,10}
A'={2,4,6,7,8,10}
A'={1,2,4,6,7,8,10}
A'={1,2,3,4,5,6,7,8,9,10}
Given the sets
A = {a, b, c, d, e} and B = {a, c, d, f}
What is A ∩ B ?
{a, c, d}
{a, b, c, d, e, f}
{b, e}
{f}
If U = { a, c, d, e, i } and M = { a, e, i }, find: M'
{ a, e, i }
{ a, e }
{ a, c, d, e, i }
{ c, d }
If the universal set has 60 elements, how many elements are neither in C nor in D?
12
15
17
20
How many elements are there in the universal set?
50
52
54
56
Determine n(W ⋃ C)'.
6
15
21
44
How do you find the complement of Set C?
List all the elements found in Set C
List the elements that are not found it the Set C
List the common elements found in the universal set and set C
I can't figure out the answer
In a group of students, 65 play foot ball, 45 play hockey, 42 play cricket, 20 play foot ball and hockey, 25 play foot ball and cricket, 15 play hockey and cricket and 8 play all the three games. Find the total number of students in the group (Assume that each student in the group plays at least one game).
120
100
110
105
Which of the following statements are true for the Venn diagram shown?
A ∩ B = ⊘
A ⋃ B = ⊘
A ⋃ B = A
A ⋂ B = A
