Question # 1

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Singleton set

A set with two points

Empty set

None of these

The set {x|x∈N∧x-4=0} in tabular form is

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{-4}

{0}

{}

None of these

Multiplicative inverse of 0 is

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0

1

+-1

Does not exist

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n(A)

n(B)

0

1

The identity elements with respect to subtraction is

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0

1

-1

Does not exist

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A

A'

U

None of these

The function whose range consists of just one element is called

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One-One Function

Identity Function

Onto Function

Constant Function

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

The number of proper subset of A ={a.b.c.d} is

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3

6

8

15

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An empty set

Universal set

A singleton set

None of these

The set of even prime numbers is

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(2,4,6,8,10}

{2,4,6,8,10,12}

{1,3,5,7,9}

{2}

If z1 = 2 + 6i and z2 = 3 + 7i then which expression defines the product of z1 and z2

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36 +(-32)i

-36+32i

6+(-11)i

0, +(-12)i

If P = {x/x = p/q where p,q∈ Z and q≠ 0}, then P is the set of

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Irrational numbers

Even numbers

Rational numbers

Whole numbers

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

In set builder notation the set {0, 1, 2, ............, 100} can be written as

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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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Evert element of A is in B

Every element of B is in A

Every element of A is in B'

Every element of A is in A

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A

B

A'

None of these

A disjunction of two statement p and q is true

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p is false

q is false

Both p and q are false

One of p and q is true

The set (Z, +) forms a group

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Forms a group w.r.t. addition

Non commutative group w.r.t. multiplication

Forms a group w.r.t multiplication

Doesn't form a group

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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Conclusion

Implication

Antecedent

Hypothesis

Two sets A and B are said to be disjoint if

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The set X is

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Proper Subset of X

Not A subset of X

Improper Subset of X

None of these

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

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Addition

Multiplication

Subtraction

Division

P∉ A means

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Pis subset of A

Pis an element of A

P does not belongs to A

A does not element of P

The negation of given number is a

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Binary operation

Unary operation

Relation

None of these

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A

B

U

None of these

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1

12

5

29

The set R is ........w.r.t subtraction

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Not a group

A group

No conclusion drawn

Non commutative group

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