Question # 1

The multiplicative inverse of -1 in the set {1-, 1} is

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1

-1

0

Does not exist

The sets {1, 2, 4} and {4, 6, 8, 10} are

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Equal sets

Equivalent sets

Disjoint sets

Over lapping sets

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

The number of subsets of B = {1,2,3,4,5}

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10

32

16

5

The set { {a,b} } is

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Infinite set

Singleton set

Two points set

Empty set

The graph of a quadratic function is

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Circle

Ellipse

Parabola

Hexagon

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

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Addition

Multiplication

Subtraction

Division

The set (Z, +) forms a group

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Forms a group w.r.t addition

Forms a group w.r.t multiplication

Non commutative group w.r.t multiplication

Doesn't form a group

The multiplicative inverse of -1 in the set {1-,1} is

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1

-1

±1

0

Does not exist

The statement that a group can have more than one identity elements is

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True

False

Ambiguous

Some times true

Which of the following has the same value as i113

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i

-1

-i

1

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

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Conclusion

Implication

Unknown

Hypothesis

The set of integers is a subset of

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The set of natural numbers

The set of whole numbers

The set of prime numbers

The set of rational numbers

A = B iff

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All elements of A also the elements of B

A and B should be singleton

A and B have the same number of elements

If both have the same element

The many subset can be formed from the set {a,b,c,d}

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8

4

12

16

The set of all positive even integers is

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Not a group

A group w.r.t subtraction

A group w.r.t division

A group w.r.t multiplication

The set of months in a year beginning with S.

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{September, October, November}

Singleton set

Null set

Empty set

The set of natural numbers is a subset of

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{1, 2, 3, .... 100}

The set of whole numbers

{2, 4, 6, 8, .....}

None of these

The set {-1,1} is

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Group under the multiplication

Group under addition

Does not form a group

Contains no identity element

If T = {2,4,6,8,10,12}, then

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T = (First six natural numbers)

T = (First six odd numbers)

T = (First six real numbers)

T = ( First six even numbers)

If E = { } , then P(E)

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∅

{ }

{(2),(4),(6)....}

(∅)

The set {-1, 1} is

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Group under the multiplication

Group under addition

Does not form a group

Contains no identity element

If n(A) = n then n(P(A)) is

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2n

n²

n/2

2ⁿ

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None of these

The set of rational numbers is subset of

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The set of natural numbers

The set of real numbers

The set of integers

The set of whole numbers

Which symbolic notation represent unary operation ?

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-

∨

∧

⇔

Additive inverse of -a -b is

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a

-a + b

a - b

a + b

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4

3

2

1

The function f{(x, y) | y = ax²+ bx + c} is

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One-one function

Constant function

Onto function

Quadratic function

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a-b=ab

ab=a

a+b=ab

A = B if

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A is equivalent to B

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