Question # 1

If the domain of the function f: x⟶ 2x³+ 1 is {-1,2,3}, the range of the function is

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{3,2,5}

{1,3,9}

{-1,-2,-3}

{3,9,19}

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4

6

8

10

A function in which the second elements of the order pairs are distinct is called

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Onto function

One-one function

Identity function

Inverse function

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2

4

8

12

For a square matrix A, if A = At, then A is called

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Matrix

Transpose

Symmetric

Non-symmetric

(2, 1) is in the solution of the inequality

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2x + y > 7

x - y > 2

3x + 5y < 6

2x + y < 6

The Domain of y = sin x is ______

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Set of real numbers

Rational

Irrational no.

None of above

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

The perpendicular bisector of any chord of a circle

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Passes through the centre of the circle

Does not pass through the centre of the circle

May or may not pass through the centre of the circle

None of these

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The distance of the point (-2 , -3) from y-axis is

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2

-2

3

-3

The real numbers which satisfy an inequality form its

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solution

coefficient

domain

range

Every subset of a finite set is

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Disjoint

Null

Finite

Infinite

A function from X to X is denoted as

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f : X to Y

f : Y to Y

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An empty set

Universal set

A singleton set

None of these

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∀a,b,c∈R, a >b ∧ b>c ⇒ a >c is

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Trichotomy property

Transitive property

Symmetric property

Additive property

Five engineering, four mathematics, two chemistry books are placed on a table at random.The probability that the books of each kind are all together is

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Range of cosec x is ______

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{-1, 1}

R

Negative real numbers

R - { x | - 1 < x < 1}

How many different 5-digit even numbers are possible form digit 1,2,4,6,8

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4 : 4!

4!

5!

4!+4!

Cycle tyres are supplied in lots of 10 and there is a chance if 1 in 500 tyres to be defective. Using Poisson distribution, the approximate number of lots containing no defective tyre in a consignment of 10, 0000 lots is

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9028

9208

9802

9820

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y/x

x/y

y/z

None

A,G,H are in

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A.P

G.P

H.P

None of these

In a country 55% of the male population has houses in cities while 30% have houses both in cities and in villages find the percentage of the population that has houses only in villages

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45

30

25

50

Ifα,βare the roots of ax²+ bx + c = 0 andα+ h,β+ h are the roots of px²+ qx + r=0, then h =

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There is no integer n for which 3n is

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Even

Prime

Odd

Real

Every relation, which can be represented by a linear equation in two variables, represents a

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Relation

Cartesian product

Function

Graph

Onto function is also called

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Binjective function

Injective function

Surjechive function

None of these

The domain of the function y = sin x , is

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-π/2≤ x≤ π/2

π/ ≤ x≤ π

-2π ≤ x≤ 2π

-1 ≤ x≤ 1

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