Question # 1

The geometrical representation of a linear function is

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Circle

Parabola

Straight lie

None of these

If A = {2m/m³= 8 , m€ Z} then A =

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{1,8,27}

{4}

(2,4,6}

{2,16,54}

The set of months in a year beginning with S.

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{September, October, November}

Singleton set

Null set

Empty set

If a set S contains "n" elements then P (S) has ...... number of elements

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2ⁿ

2²ⁿ

2 . n

n²

In a school, there are 150 students. Out of these 80 students enrolled for mathematics class, 50 enrolled for English class, and 60 enrolled for Physics class. The students enrolled for English cannot any other class, but the students of mathematics and Physics can take two courses at a time. Find the number of students who have taken both physics and mathematics

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40

30

50

20

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A

B

U

None of these

The set {Z\ {0} } is group w.r.t

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Addition

Multiplication

Division

Subtraction

A - B = ______

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The contra positive of p → q is

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q → p

~q→~q

~p→~q

None of these

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Z is a

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Infinite set

Finite set

Singleton set

Set of all integers

The set of integer is

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Finite group

A group w.r.t addition

A group w.r.t multiplication

Not a group

Additive inverse of -a -b is

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a

-a + b

a - b

a + b

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square root function

identity function

linear function

quadratic function

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

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2n

n²

n/2

2ⁿ

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

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3

6

8

15

Which of the following is the subset of all sets?

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Group of none-singular matrices under multiplication is

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None-Abelian group

Semi group

Abelian group

None of these

{x : xε Z and x < 1} is

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Singleton set

A set with two points

Empty set

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

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

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If A∩B=B, then n(A∩B) is equal to

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n(a)

n(a)+n(c)

n(c)

None of these

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Given X,Y are any two sets such that number of elements in set X = 28, number of elements in set Y = 28, and number of elements in set X∪Y = 54, then number of elements in set X ∩ Y =

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4

3

2

1

The set R is ______ w.r.t subtraction

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Not a group

A group

No conclusion drawn

Non commutative group

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

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

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

The complement of set A relative to universal set U is the set

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

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1

-1

+-1

0

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ECAT Pre General Science Mathematics Chapter 2 Set, Functions and Groups Online Test MCQs With Answers

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