Question # 1

In a parallelogram opposite angles are:

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Congruent

Non Congruent

Concurrent

Non-Concurrent

The matrix M = [2 -1 7] is called:

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Row matrix

Column matrix

Diagonal matrix

Zero matrix

Every polynomial is _______ expression:

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Complex

Real

Rational

Irrational

If one angle of a right triangle is of 30°, the hypotenuse is __________ as long as the side opposite to the angle:

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Thrice

Four times

Twice

Same

_______ of rectangle are congruent:

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Diagonals

Heights

Bases

None of these

Two triangles are said to be congruent if all the three sides and angles are _______:

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Equal

Congruent

Concurrent

Similar

The right bisectors of the sides of an obtuse triangle intersects each other:

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Inside the triangle

Outside the triangle

On hypotenuse

On any vertex

Mid-point of the points B (-1,1) and A (2,5) is:

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(1,6)

(3,7)

The product in matrices AB, the number of columns of A must be equal to number _______ of B.

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Columns

Entries

Rows

None of these

Factors of x²-5x+6 are:

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(x+1),(x-6)

(x-2),(x-3)

(x+6),(x-1)

(x+2),(x+3)

A ray is called _______ of an angle, it bisects the angle:

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Angle Bisector

Perpendicular Bisector

Median

Altitude

Sum of the deviations of values x from its mean is always ''i.e ∑(x-x̅)’is to equal:

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itself

zero

median

mode

Power set of an empty set is.

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∅

{a}

{∅,{a}}

{∅}

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1+Cot² θ

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Sin²θ

Cos²θ

Cosec² θ

Sec²θ

Tangents drawn at the end points of the diameter of a circle are:

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Parallel

Perpendicular

Intersecting

90 degree makes ______ right angle:

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2

4

1

3

The ratio of 1km to 600m is:

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1 : 6

5 : 3

3 : 2

2 : 1

Roots of the equation 4x²-5x+2=0 are:

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Irrational

Imaginary

Rational

None of these

Right bisector of the chord of a circle always passes through the:

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Radius

Circumference

Centre

Diameter

The arcs opposite to incongruent central angles of a circle are always:

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Congruent

Incongruent

Parallel

Perpendicular

The symbol used to denote a minute is:

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1"

1'

1°

1""

Conjugate of complex number (-a, -b) is:

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(-a, b)

(-a, -b)

(a, -b)

none of these

If sinΘ <0, cosΘ<0 then the terminal arm of the angle lies in quadrant:

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I

II

III

IV

y = sin^-1 x if and only if x = sin y, where:

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The number of ways in which fiver persons can sit at a round table is:

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4!

5!

none of these

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equal sets

null sets

overlapping sets

subsets

sec (2π + Θ), where Θ is a basic angle will have terminal side in:

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quad. I

quad. II

quad. III

quad. IV

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10π

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B

A

none of these

Infinite number of lines can pass through:

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One point

Two points

Three points

Four points

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60°

90°

30°

45°

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

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x-axis

y = x

y-axis

None of these

A line segment joining two distinct points on a parabola is called a ___________ of the parabola:

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Chord

Vertex

Focus

Directrix

Sir Isaac Newton was a(an) --------- mathematician.

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German

French

Swiss

English

The graph of the parabola y² = -4ax lies in quadrants:

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I and II

III and IV

II and III

I and III

The length of the latus rectum of the parabola y² = 4ax is:

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a

4a

2a

None of these

A chord passing through the focus of a parabola is called a ________ of the parabola:

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Directrix

Latus rectum

Focus

Focal chord

If the lien l is parallel to y-axis, then the slope of l is ----------------.

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0

1

-1

undefined

The inequality x < a is the open half plane to the __________ of the boundary line x = a:

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Above

Left

Below

Right

The opening of the parabola x² = 4ay is upward of the:

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x -axis

y = c

y - axis

x = y