Question # 1

An ______________ is defined as the union of two non-col-linear rays with some common end point:

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angle

vertex

initial side

terminal

If R= { (a,2),(b,3),(c,3) }, then Dom R = ________________

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{1,2}

{1,2,3}

{a,b,c}

{a,c}

In equation ax²+bx+c=0, a and b are:

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Constants

Co-efficients

Variables

Factors

Standard form of quadratic equation is:

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In continued proportional a:b = b:c, c in said to be ______ proportional to a and b:

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Third

Fourth

Means

None of these

The size of class interval (6-10) is.

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4

5

8

10

The semi circumference, and the diameter of a circle both subtend a central angle of:

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90°

180°

270°

360°

In which quadrant only tanθ and cotθ are positive.

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I

II

III

IV

The most frequent occurring observation in a data set is called:

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Mode

Median

Harmonic mean

Sum of the cube roots of unity is:

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0

1

-1

3

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4.13

3.14

15.4

17.3

The middle term in the expansion of (1+x)^1/2 is:

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T₂

T₃

does not exist

none of these

- 72° = ___________________:

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none of these

The imaginary part of the complex number a + bi is:

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a

b

bi

none of these

The middle term of (x-y)¹⁸ is:

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9th

10th

11th

none of these

cos⁴Θ - sin⁴Θ =

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sin 2Θ

cos 2Θ

tan 2Θ

sec 2Θ

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5

-5

-4

4

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none of these

The product of three G.Ms between 1 and 16 is:

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32

64

128

16

y = tan-1 x if and only if x = tan y, where:

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-1 < x < 1 and - π < y < π

The real part of the complex number a + bi is:

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b

-b

a

-a

Product of a complex number and its conjugate is:

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a real number

irrationalnumber

a complexnumber

either real number or complexnumber

The distance between the center of a circle and any point of the circle is called:

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Tangents

Secant

Diameter

Radius

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The point of intersection of internal bisectors of the angles of a triangle is called:

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Centroid

Ortho-centers

Circums-center

In-center

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4, -4

0

2, -2

0, 4

The axis of the parabola y² = -4ax is:

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x = a

x = 0

y = a

y = 0

The graph of the parabola y² = -4ax is symmetric about:

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x-axis

major axis

y-axis

minor axis

The term function was introduced by:

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Euler

Newton

Lagrange

Leibniz

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0

2

1

-1

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Open

Closed

Open as well as closed

None of these

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0

-1

1

2

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cosec x + c

-cosec x + c

cot x + c

- cot x + c

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