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Mathematics 10th Class English Medium Unit 5 Online Test MCQs With Answers
Question # 1
A subset of A x A is called.................. in A.
Choose an answer
Set
Relation
Function
Info function.
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Question # 2
The Range of R is, if R = {(1,3),(2,2),(3,1),(4,4)}.
Choose an answer
{1,2,4}
{3,2,4}
{1,2,3,4}
{1,3,4}
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Question # 3
Which of the following is De-Morgan's law?
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(A∪ B)∪ C = A∪ ( B∪ C)
(A∩B)
C
= A
c
∪ B
c
A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)
A∩(B∪ C) = (A∩B)∪(A∩C)
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Question # 4
Which of the following is commutative law?
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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 # 5
If number of elements in se A is 3 and in set B is 2, then number or binary relations in A x B is.
Choose an answer
3
4
7
12
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Question # 6
The formula of range is:
Choose an answer
X
max
-X
min
X
max
+ X
min
groups/wight
none of these
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Question # 7
If A and B are two disjoint sets then A⋃ b = ______
Choose an answer
A
B
∅
B⋃ A
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Question # 8
The relation {(1, 2),(2, 3),(3, 3),(3, 4)} is:
Choose an answer
Onto function
In to function
Not a function
One-one function
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Question # 9
If union and intersection of two sets are equal then sets are..............sets.
Choose an answer
Disjoint
Overlapping
Equal
Super
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Question # 10
If A⊆ B then A - B is equal to
Choose an answer
A
B
∅
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Question # 11
The number of elements of the power set {a,b} are.
Choose an answer
1
2
3
4
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Question # 12
A⊆ B then A-b = __________
Choose an answer
A
B
∅
B-A
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Question # 13
A set Q = {a/b} a, b∈ Z ^ b≠ 0} is called a set of.
Choose an answer
Whole numbers
Natural number
Irrational numbers
Rational numbers
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Question # 14
Point (-1,4) , lies in the quadrant.
Choose an answer
I
II
III
IV
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Question # 15
Point (-1, 4) lies in the quadrant:
Choose an answer
I
II
III
IV
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Question # 16
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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