Question # 1

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zero

unit

scalar

singular

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

Each diagonal of parallelogram bisects it into ______ congruent triangles:

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Four

Six

Two

One

HCF of 5x²y² and 20x³y³ is:

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5x²y²

20x³y³

10x⁵y⁵

5xy

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16cm²

12cm²

8cm²

20cm²

The bisector of the angles of a triangle are ________:

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Concurrent

Parallel

Congurent

Perpendicular

A matrix is called column matrix if it has only one:

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Column

Row

Diagonal

None

Similar triangles are of the same shape but _________ in sizes:

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The same

Different

Both a and b

None

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By convention if only the common logarithm are used throughout a discussion the base ________ is not written:

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e

10

1

0

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Polynomial

Irrational

Rational

None of these

The symbol used to denote a minute is:

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1"

1'

1°

1""

Tan 90 =_________.

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√3/2

1/√3

0

undefined

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An equation of the form 2x⁴-3x³+7x²-3x+2=0 is called a/an:

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Reciprocal equation

Radicalequation

Exponentialequation

None of these

Two intersecting circles are not:

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Incentric

Escribecentric

Concentric

Circumcentri

Angle inscribed in a semi-circle is:

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Product of extremes = product of ______.

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Consequents

Antecedent

Ratios

Means

What is radius in circle ?

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Perimeter

Half the diameter

Segment line

If the rotation of the ray is clock wise, the angle has ________ measure:

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Degree

Negative

Positive

Standard

The fourth proportional w of x : y::v : w is:

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xyv

Product of cube roots of unity is:

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0

1

-1

3

Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 1

none

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1

-5

-1

none

Which one is exponential equation:

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ax² + bx + c = 0

ax + b = 0

2^x = 16

3^2x - 3^x - 6 = 0 is:

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reciprocal equation

exponentialequation

radicalequation

none of these

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diagonal matrix

The objects in a set are called:

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elements

sub-sets

whole numbers

overlapping sets

A.M between x - 3 & x + 5 is __________:

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x + 1

x - 1

2x + 2

none

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30°

45°

60°

75°

The graph of x = sin y is obtained by reflecting the graph of y = sin x about the line:

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x axis

y axis

y = x

y = -x

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The opening of the parabola y² = 4ax is to the ________ of the:

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Left

Upward

Right

Downward

The term dy (or df) = f '(x) dx is called the __________ of the dependent variable y.

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Differentiation

Integration

Differential

None of these

If r is the radius of any circle and C its center, then any point P(x₁, y₁) lies on the circle only if:

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|CP| < r

|CP| > r

|CP| = r

None of these

The point of intersection of the altitudes of a triangle is called:

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Centroid

Ortho-center

Circums-center

In-center

If the cone is cut by a plane perpendicular to the axis of the cone, then the section is a / an:

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Parabola

Circular cone

Ellipse

Circle

The cross product or vector product of two vectors is defined:

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Only in plane

Only in space

Both a and b

None of these

A line segment having both the end-points on a circle and not passing through the center is called a:

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A chord

A secant

A diameter

None of these

A point of a solution region where two of its boundary lines intersects is called a __________ point of the solution region:

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Maximum

Corner

Minimum

None of these

Non-vertical lines divide the plane into___________half plane:

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Upper and lower

Many

Left and Right

None of these

Which one is not an exponential function ?

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The equation x² + y² + 2x + 3y = 10 represents a:

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A pair of lines

Circle

Ellipse

Hyperbola