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ECAT Mathematics Chapter 2 Set Function and Groups Online Test MCQs With Answers
Question # 1
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Question # 2
{1, 2, 3, 4,.....} is set of ______
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Natural numbers
Whole numbers
Integers
Rational numbers
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Question # 3
G = {e, a, b, c} is an Abelian group with e as identity element. The order of the other elements are
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2, 2, 2
3, 3, 3
2, 2, 4
2, 3, 4
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Question # 4
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Question # 5
0 is a symbol of
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singleton set
Empty set
Equivalent set
Infinite set
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Question # 6
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a constant function
linear function
quadratic funtion
none of these
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Question # 7
Every set is an improper subset of
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Empty set
Equivalent set
Itself
Singleton set
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Question # 8
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A = B
B = C
A = C
None of these
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Question # 9
If E = { } , then P(E)
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∅
{ }
{(2),(4),(6)....}
(∅)
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Question # 10
If A=B, then
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A⊂B and B⊂A
A⊆B and B⊈A
A⊆B and B⊆A
None of these
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Question # 11
The set {-1,1} is closed under the binary operation of
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Addition
Multiplication
Subtraction
Division
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Question # 12
Every subset of a finite set is
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Disjoint
Null
Finite
Infinite
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Question # 13
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-x
Infinite set
{-4, 4}
None of these
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Question # 14
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Natural numbers
Whole numbers
Integers
Rational numbers
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Question # 15
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None of these
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Question # 16
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A
B
U
None of these
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Question # 17
The set X is
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Proper Subset of X
Not A subset of X
Improper Subset of X
None of these
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Question # 18
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Question # 19
If A ⊆ B then A ∪ B is
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A
B
A'
A ∩B
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Question # 20
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Question # 21
A function in which the second elements of the order pairs are distinct is called
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Onto function
One-one function
Identity function
Inverse function
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Question # 22
For any set B,B∪B' is
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Is set B
Set B'
Universal set
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Question # 23
If A and B are two sets then any subset R of B 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 # 24
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 # 25
If B ={x/x€ Z ^ - 3 < x < 6}, then n (B) =
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5
{-3,-2,-1,0,1,2,3,4,5,6}
8
9
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Question # 26
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Question # 27
The set of months in a year beginning with S.
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{September, October, November}
Singleton set
Null set
Empty set
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Question # 28
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Question # 29
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Question # 30
The graph of a linear function is
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a circle
triangle
a straight line
none of these
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Question # 31
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n(A)
n(B)
0
1
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