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ECAT Pre General Science Mathematics Chapter 2 Set, Functions and Groups Online Test MCQs With Answers
Question # 1
The set of real numbers is a subset of
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The set of natural numbers
The set of rational numbers
The set of integers
The set of complex numbers
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Question # 2
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A
A'
U
U'
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Question # 3
The set (Q, .)
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Forms a group
Does not form a group
Contains no additive identity
Contains no additive inverse
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Question # 4
The function whose range consists of just one element is called
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One-One Function
Identity Function
Onto Function
Constant Function
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Question # 5
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Question # 6
A monoid (G, *) is said to be group if
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have identity element
is commutative
have inverse of each element
None of these
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Question # 7
The set { {a, b} } is
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Infinite set
Singleton set
Two points set
Empty set
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Question # 8
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n(A)
n(B)
0
1
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Question # 9
If A is a set then any subset R of A x A is called
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relation on A
relation on B
relation from A to B
relation from B to A
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Question # 10
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Question # 11
A conjunction of two statement p and q is true only if
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p is true
q is true
Both p and q are true
both p and q are false
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