Question # 1

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The set of complex numbers forms a group under the binary operation of

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Addition

none of these

Division

Subtraction

If p and q are two statements then their biconditional 'p if q' is denoted by

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Given X,Y are any two sets such that number of elements in set X = 28, number of elements in set Y = 28, and number of elements in set X∪Y = 54, then number of elements in set X ∩ Y =

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4

3

2

1

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1/x

-x

2x

0.5 x

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For any two sets A and, A ⊆ B if

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x ∈ A ⇒ x ∈ B

x ∉ A ⇒ x ∉ B

x ∈ A ⇒ x ∉ B

None of these

Which of the following sets in infinite

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The set of students of your class

The set of all schools in Pakistan

The set of natural numbers between 3 and 10

The set of rational numbers between 3 and 10

The set of the first elements of the orders pairs forming a relations is called its

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Relation in B

Range

Domain

Relation in A

The graph of a linear function is

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a circle

triangle

a straight line

none of these

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A is proper subset of B

A is an improper subset of B

A is equivalent to B

B is subset of A

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ECAT Mathematics Chapter 23 MCQs With Answers

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