Question # 1

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

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Addition

Multiplication

Division

Subtraction

Z is a group under

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Subtraction

Multiplication

Addition

None of these

If we have a statement "if p then q" then q is called

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Conclusion

Implication

Unknown

Hypothesis

Empty set is

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Not the member of real numbers

Infinite set

Finite set

Not subset of every set

Under multiplication, solution set of is

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Groupoid

Abelian group

Semi group

All of these

Z is a

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Infinite set

Finite set

Singleton set

Set of all integers

If A is a subset of B and B contains at least one element which is not an element of A, then A is said to be

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Improper subset of B

Super set of B

Proper subset of B

None of these

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An empty set

Universal set

A singleton set

None of these

Z is the set of integers, (z, *) is a group with a * b = a + b + 1, a, b∈G. then inverse of a is

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-a

a + 1

-2 -a

None of these

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A finite set

An infinite set

An empty set

None of these

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If S = {3,6,9,12.......}, then

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S = Four multiples of 3

S = Set of even numbers

S = Set of prime numbers

S = All multiples of 3

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

Write down the power set of {9, 11}

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Additive inverse of -a -b is

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a

-a + b

a - b

a + b

The set {-1, 1} is closed under the binary operation of

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Addition

Multiplication

Subtraction

Division

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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

(A∩Bc)c= -------------------------

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Ac∪Bc

Ac∪B

Ac∩B

None of these

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Biconditional

Implication

Antecedent

Hypothesis

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Other Links

ECAT Mathematics Chapter 23 MCQs With Answers

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