Question # 1

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If a:b = c:d, then a, b, c and d are said to be in _________

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Ratio

Variation

Proportion

Disproportion

The real numbers used in the formation of a matrix are called _______ of the matrix:

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Determinants

Matrix

Set

Element

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M

O

-M

I

Who prepared logarithm tables with base 10.

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John Napier

Henry Briggs

Jobst Burgi

Musa Al Khwarizmi

The ratio between two quantities a and b is expressed as:

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a+b

a:b

a+b

A matrix is called ______ matrix, if its number of rows is equal to its number of columns:

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Rectangular

Row

Column

Square

Parallelogram on equal bases and having the same ( or equal) altitude are _______ in area:

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Equal

Unequal

Congurant

Similar

If 2x + 1 = 3, then the value of x will be:

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-1

2

1

3

The product of the conjugate surds is ________ number:

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Irrational

Rational

Surd

None of these

Altitude of any triangle is perpendicular distance from _____ to opposite side:

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Vertex

Side

Midpoint

None of these

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bc

20^o = _______________________________

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360'

630'

1200'

360'

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The concept of antilogarithm is used to find the value of..............

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A.M.

G.M.

H.M

Mode

The class having maximum frequency is called................. class.

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Model

Median

Lower

Upper

The positive square coot of mean of the squared deviations of x₁ (i = 1,2..........n) observation from their arithmetic mean is called.

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Harmonic mean

Range

S.D

Variance

A root of an equation, which do not satisfy the given equation is called:

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Endogenous root

Extraneous root

Internal root

Radical root

A cumulative frequency curve is also called:

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Histogram

Pie chart

Ogive

Frequency polygon

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In a proportion a : b :: c : d, b and c are called:

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Means

Extremes

Fourth proportional

None of these

The square of standard deriation :

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Standard deriation

Range

Dispersion

Variance

No. of triangles can be formed by joining the vertices of the polygon having 5 sides ?

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10

15

20

none of these

No. of necklaces can be made from 7 beads of different colors ?

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360

120

60

70

Conjugate of -3 -2 i is:

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3 + 2i

-3 + 2i

2 + 3i

-2 + 3i

The angles 90°±Θ, 180°±Θ, 270°±Θ, 360°±Θ, are the:

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composite angles

half angles

quadrantal angles

allied angles

A die is rolled. The probability that the dots on the top are greater than 4 is:

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5, 6

1

For what value of k, the roots of the equation x² + √k x + 2 = 0 are equal:

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1

8

2

4

The conjunction of two statements p and q is denoted by:

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If sets A and B are equal then:

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In an A.P.a₃ = 12 and a₇ = 32 then d = :

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5

3

7

9

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Inverse sine function is written as:

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(sin x)^-1

sin x^-1

arc sinx

arc sin^-1 x

General form of equation of line is:

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ax - by + c = 0

ax + by - c = 0

ax + by + c = 0

ax - by - c = 0

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1

0

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

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A pair of lines

Circle

Ellipse

Hyperbola

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

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2

1

For any point (x, y) on x-axis:

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y = 1

y = 0

y = -1

y = 2

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

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Inside

On

Outside

None of these

Which one is an identity function ?

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f(x) = g(x)

f (x) = x

f(x) = 1

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e^ax

f(x)

e^axf(x)

e^{ax + f(x)}

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0

2

1

3