Question # 1

Real part of 2ab(i + i²) is:

Choose an answer

2ab

-2ab

2abi

-2abi

A line is called _______ of a line if it bisects perpendicularly.

Choose an answer

Angle Bisector

Perpendicular Bisector

Median

Altitude

Two lines can intersect at :

Choose an answer

Two points

One points

Three points

Unlimited

Choose an answer

a²+b²=c²

a²+c²=b²

b²+c²=a²

All of these

In which Quadrant of the coordinate plane the Point (-5,-2) lies.

Choose an answer

IV

III

II

I

If Z₁ = Z₂ then Z₂ = Z₁ this property is known as _______ property:

Choose an answer

Reflexive

Symmetric

Transitive

Closure

Choose an answer

3

1/3

35

None of these

Choose an answer

5

1/2

7

1/7

The matrices are denoted by _________ letters of English alphabet:

Choose an answer

Small

Capital

Both a and b

None

Which of following set of lengths can be the lengths of the sides of a triangle.

Choose an answer

2cm, 3cm, 5cm,

3cm, 4cm, 5cm

2cm, 4cm, 7cm

4cm, 3cm, 7cm

A point equidistant from the end points of a line-segment is on its___________:

Choose an answer

Bisector

Right-bisector

Perpendicular

Median

Sum of the deviations of the variable x from its mean is alwyas....

Choose an answer

Zero

One

Same

Negative

In a : b : : c : d, d is called:

Choose an answer

Thirdproportional

Fourthproportional

Meanproportional

Continuedproportional

Angles between 180^o and 270^o are to which quadrant?

Choose an answer

I

II

III

IV

The set {x} x∈ A and x∉ B } is.......................

Choose an answer

A∪ B

A∩ B

A - B

B - A

Cosθ,Secθ = .........................

Choose an answer

1

tanθ

0

Cosθ

Acute angle is:

Choose an answer

80°

60°

90°

120°

If 't' is the radius of a circle, then its circumferienc is.

Choose an answer

π/2r

πr

2πr

4πr

A value best representing a set of data is called:

Choose an answer

Average

Variance

Standard deriviation

None of these

Cot 45° =

Choose an answer

1

-1

0

Not defined

Choose an answer

90°

45°

60°

30°

Pi radians is equal to:

Choose an answer

150°

160°

180°

240°

The domain of principal cosine function is:

Choose an answer

If f(x) = arccos x, then:

Choose an answer

degree of P(x) = degree of Q(x)

degree of P(x) < degree of Q(x)

degree of P(x) > degree of Q(x)

none of these

The domain of principal tangent function is:

Choose an answer

If the sum of the roots of ax² - (a + 1) x + (2a + 1) = 0 is 2, then the product of the roots is:

Choose an answer

1

2

3

4

2 sin α cos ß =

Choose an answer

sin (α + ß) - sin (α - ß)

cos (α + ß) + cos (α - ß)

sin (α + ß) + sin (α - ß)

cos (α + ß) - cos (α - ß)

Choose an answer

A

B

Choose an answer

4

16

8

64

What is called the arrangement of numbers formed according to some definite rule ?

Choose an answer

arithmetic sequence

geometricsequence

sequence

none of these

Choose an answer

integer

rationalnumber

irrationalnumber

naturalnumber

Choose an answer

Two imaginary tangents can be drawn to a circle from any point P(x₁, y₁) _______ the circle:

Choose an answer

Inside

On

Outside

None of these

Choose an answer

cos x + c

- cos x + c

sin x + c

-sin x + c

A function P(x) = 6x⁴ + 7x³ + 5x + 1 is called a polynomial function of degree -------- with leading coefficient -------.

Choose an answer

4, 6

2, 7

2, 3

2, 5

The graph of the parabola x² = -4ay is symmetric about:

Choose an answer

x-axis

major axis

y-axis

minor axis

Choose an answer

Constant

Implicit

Explicit

Inverse

Choose an answer

Implicit

Explicit

Exponential

Logarithmic

A quadrilateral having two parallels and two non-parallel sides is called:

Choose an answer

Trapezium

Rectangle

Rhombus

None of these

Two vectors are equal if they:

Choose an answer

Pass through the same point

Are parallel to each other

Are parallel to each other and have same direction

Have equal magnitude and have same direction

If y = sin x then dy =

Choose an answer

cosy dx

cos x

cosx dx

cos xdy

Choose an answer

Position vector

Null vector

Unit vector

None of these

If a function f is from a set X to a set Y, then set X is called the _______ of f:

Choose an answer

Domain

Range

Co-domain

None of these