Question # 1

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

If 0 = {1,3,5.......}, then n (0) =

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99

odd integers

Even numbers

Infinite

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

The set of first elements of the ordered pairs in a relation is called its

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domain

range

relation

function

Which of the following statement is true?

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A set is a collection of non-empty object

A set is a collection of only numbers

a set is any collection of things

a set is well-defined collection of objects

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

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none of these

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

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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 graph of a linear function is

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a circle

triangle

a straight line

none of these

Z is a

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Infinite set

Finite set

Singleton set

Set of all integers

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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Biconditional

Implication

Antecedent

Hypothesis

For any set B,B∪B' is

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Is set B

Set B'

Universal set

{x|x∈R∧x≠x} is a

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Infinite set

Null set

Finite set

None of these

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

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1

-1

+-1

0

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1/x

-x

2x

0.5 x

A = B if

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A is equivalent to B

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ECAT Mathematics Chapter 23 MCQs With Answers

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