Question # 1

The set {1, -1, 1, -1}, form a group under

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Addition

Multiplication

Subtraction

None

A conditional "if p then q" is denoted by

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1/x

-x

2x

0.5 x

The set of natural is a semi group w.r.t

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Addition

Division

Subtraction

None of these

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Power set of X i.e P(X)..........under the binary operation of union U

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Forms a group

Does not form a group

Has no identity element

Infinite set although X is infinite

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 {{a,b}} is

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Infinite set

Singleton set

Two points set

None

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A onto B

both a & c

A into B

none of these

A conjunction of two statement p and q is true only if

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p is true

q is true

Both p and q are true

both p and q are false

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

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

A function whose range is just one elements is called

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One-one function

Constant function

Onto function

Identity function

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none of these

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

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

Every set is an improper subset of

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Empty set

Equivalent set

Itself

Singleton set

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

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3

6

8

15

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Conclusion

Implication

Antecedent

Hypothesis

Φset is the ______ of all sets?

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Subset

Union

Universal

Intersection

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

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4

3

2

1

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1

12

5

29

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

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8

4

12

16

For any set X, X∪X is

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X

X'

Φ

Universal Set

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

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One-one function

Constant function

Onto function

Quadratic function

If there is one-one correspondence between A and B, then we write.

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A = B

A⊆ B

A⊇ B

A ∼ B

The negation of given number is a

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Binary operation

Unary operation

Relation

None of these

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