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Online Tests
Mathematics 10th Class English Medium Unit 5 Online Test MCQs With Answers
Question # 1
If x∈ U and x∉ A, then {x} is equal to ....................
Choose an answer
U
c
A
c
∅
c
A - U
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Question # 2
A set containing no element is called.
Choose an answer
subset
Empty set
Singleton set
Super set
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Question # 3
Formula to determine the size of a class is:
Choose an answer
X
max
- X
min
X
max
+ X
min
Range/number of groups
number of groups/Range
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Question # 4
Which of the following is distributive property intersection over union?
Choose an answer
A∪ (B ∪ C) = A∪ (B∪ C)
A∩ (B∩C)= (A∩B)∩C
A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)
A∩(B∪ C) = (A∩B)∪(A∩C)
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Question # 5
The set having only one element is called:
Choose an answer
Null set
Power set
Singleton set
Subset
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Question # 6
Which of the following is commutative law?
Choose an answer
A∪ (B ∪ C) = (A∪ B)∪ C
A∩ (B∩C)= (A∩B)∩C
A∪ B = B ∩ A
(A ∪ b)
c
= A
c
∩ B
c
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Question # 7
A subset of A x A is called.................. in A.
Choose an answer
Set
Relation
Function
Info function.
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Question # 8
Number of elements in power set of {1,2,3}
Choose an answer
4
6
8
9
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Question # 9
If f is a function from A to B, then f is onto function if:
Choose an answer
Range f≠ A
Range f = B
Dom f = A
Second element of all ordered pairs contained in f is not repeated.
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Question # 10
(A∩B)'= _____________
Choose an answer
A'∪B'
A'∩B'
A∩B
A∪B
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Question # 11
If A is subset of U, then (A
c
)
c
= .........
Choose an answer
A
A
c
U
c
∅
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Question # 12
The relation R = {(1,2),(2,3),(3,3),(3,4)} IS:
Choose an answer
Not a function
Onto function
One-One function
Into function
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Question # 13
if A and B are disjoint sets , then A∪ B is equal to.
Choose an answer
A
B
∅
B∪ A
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Question # 14
If f is a function from A to B, then f is one - one function if:
Choose an answer
Range f≠ A
Range f = B
Dom f = A
Second element of all ordered pairs contained in f is not repeated.
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Question # 15
The number of elements of the power set {a,b} are.
Choose an answer
1
2
3
4
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Question # 16
Sum of the deviations of values x from its mean is always ''i.e ∑(x-x̅)’is to equal:
Choose an answer
itself
zero
median
mode
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