Question # 1

Inverse of identity matrix is _______ matrix:

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A

O

A^-1

Identity

Equality of ______ ratio is defined as proportion:

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Two

Three

Four

Five

(img) is used for __________ triangle:

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Acute angled

Obtuse angled

Right angled

All

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Equality

Multiplication

Division

Cancellation

In two similar triangles ________ sides are proportional:

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Corresponding

Opposite

Both a and b

None of these

x=0 is a solution of the inequality:

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x>0

3x+5<0

x+2<0

x-2<0

The logarithm of any number to itself as base is:

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1

0

-1

10

Who used 'e' as the base for the preparation of logarithm tables.

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Henry Briggs

Jobst Burgi

Musa Al Khawrizmi

John Napier

The __________ bisector of an angle of a triangle divides the sides in the same ratio then it is the ratio of the lengths of the sides containing the angles:

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Internal

External

Perpendicular

None of these

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Polynomial

Irrational

Rational

None of these

______ non collinear points determine a plane:

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1

2

3

4

The two tangents drawn to a circle from a point outside it, are equal in;

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Length

Radius

Measure

Diameter

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A proper fraction

An improper fraction

An identity

An constant term

When the number of observations of a set of data is even then the median formula is:

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The observations that divide a data set into four equal parts are called:

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Deciles

Quartlies

Percentiles

In a set of data, the difference between highest value and lowest value is called:

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Standard deriation

Range

Dispersion

All of these

Arithmetic mean is a measure that determines a value of the variable under study by dividing the sum of all values of the variable by their:

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Number

Group

Denominator

The different number of ways to describe a set are:

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1

2

3

4

A data in the form of frequency distribution is called.

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Grouped data

Ungroup data

Same

None of these

An equation of the type 3^x+3^2-x+6 = 0 is called a/an:

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Reciprocal equation

Radical equation

Exponential equation

None of these

1/sinθ = ...............

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Cosθ

Secθ

Co secθ

Cotθ

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tan x

cot x

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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 graph of y = cos^-1 x is obtained by reflecting the graph of y = cos x about:

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x-axis

y-axis

y = x

y = -x

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For a positive integer n:

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(n+1)! = (n+1)n!

(n+1)! = (n+1)(n-1)!

n! = n(n+1)!

none of these

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

What is the common difference of the sequence 11, 5, -1, ......... ?

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6

-6

none of the foregoing numbers

In 2s = a + b + , then in any triangle ABC:

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all of above

If A is a matrix of order m × n and B is a matrix of order n × p then the order of AB is:

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p×m

p×n

n×p

m×p

The technique or method to find such a function whose derivative is given involves the inverse process of differentiation called:

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Differentiation

Integration

Differential

None of these

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28

29

The directrix of the parabola y² = 4ax is:

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x = a

x = -a

y = a

y = - a

f (x) = x secx, then f(0)=

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-1

0

1

The equi. of latus-rectum of the parabola y² = -4ax is:

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x = a

x = -a

y = a

y = -a

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

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x -axis

y = c

y - axis

x = y

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sec x tan x

sec²x

-sec x tan x

-sec²x

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sec x tan x

- sec²x

-sec x tan x

sec²x

The radius of point circle is:

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0

(0, 0)

r

1

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Integral

Indefinite integral

Differential

Definite integral