WorksheetsGRADE 7
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
(19)(2)
(a)
2.
(16)(4)
(a)
3.
(18)(7)
(a)
4.
(17)(4)
(a)
5.
If A= { Set of Primary Colors}, what is n(A)?
a)
1
b)
2
c)
3
d)
4
6.
What if there is no element in a given set? What will be its cardinality?
a)
n(A)= 0
b)
n(A)= {}
c)
n(A)= ⊆
d)
n(A)= 1
7.
If U = { 1, 2, 3, 4, 5, 6, 7} and A= {2,4}. What is A'
(a)
8.
If A = {1, 3, 5, 15}, B = {2, 3, 5, 7}, C = {2, 4, 6, 8} then what is (A U B) ∩ C ?
(a)
9.
If every element in set A is also in set B, then...
a)
A = B
b)
A is a subset of B
c)
B is a subset of A
d)
A ≈ B
10.
What do you call in a property where A + B is equal to Real numbers
a)
Closure Property of Multiplication
b)
Closure Property of Addition
c)
Identity Property of Addition
d)
Identity Property of Multiplication
100 %
