Question # 1

The rectangular array of numbers enclosed by a pair of brackets is called:

Choose an answer

Determinants

Matrix

Set

Solution set

If length of rectangle is a units and width is b units, then area of rectangle is:

Choose an answer

a+b

a-b

axb

Which ordered pair satisfices the equation y = 2x:

Choose an answer

(1,2)

(2,1)

(2,2)

(0,1)

x=0 is a solution of the inequality:

Choose an answer

x>0

3x+5<0

x+2<0

x-2<0

Choose an answer

The line segment, joining the mid-points of two sides of a triangle is parallel to the third side and is equal to _______ of its length:

Choose an answer

Half

Double

If ax=n, then:

Choose an answer

Two similar triangles are _______:

Choose an answer

Congruent

Non congruent

May be or may be not congruent

None of these

Choose an answer

9cm²

20cm²

18cm²

6cm²

A triangle in which one of the angles has measured angle to 90 is called _______ triangle:

Choose an answer

Isosceles

Equilateral

Right angled

Scalene

Choose an answer

Sides

Angles

Squares

Vertex

A straight line, drawn from the centre of a circle to bisect a chord is _______ to the chord:

Choose an answer

Parallel

Equidistant

Perpendicular

Congruent

A set having only one member.

Choose an answer

Empty set

Power set

Singleton set

Sub set

How many tangents can be drawn from a point outside the circle ?

Choose an answer

1

2

3

The nature of roots depends on the value of:

Choose an answer

-b+4ac

b²+4c

b²-4ac

-b+4ac²

Choose an answer

The perpendicular bisector of a chord of a circle passes through the:

Choose an answer

Centre

Radius

Diameter

Arc

A set with no element is called.

Choose an answer

Subset

Empty set

Singleton set

Super set

In a : b : : c : d, d is called:

Choose an answer

Thirdproportional

Fourthproportional

Meanproportional

Continuedproportional

The extent of variation between two extreme observations of a data set is measured by:

Choose an answer

Average

Range

Quartiles

An equation involving impression of the variable under ______ is called radical equation:

Choose an answer

Second degree

Exponent

Radical

Cube

r r₁ r₂ r₃ =

Choose an answer

abc

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

Choose an answer

32

64

128

16

If α, ß, Γ are the angles of a oblique triangle, then:

Choose an answer

α = 90°

ß = 90°

Γ = 90°

none of these

Choose an answer

A is superset of B

B is superset of A

A is subset of B

A is equivalent to B

tan^-1 (-x) =

Choose an answer

tan^-1x

cot^-1x

-tan^-1x

-cot^-1x

Choose an answer

20

A matrix in which each element is 0 is called:

Choose an answer

If a set is described by listing its elements within brackets is called:

Choose an answer

set builder notation

tabular form

descriptive method

none of these

In binomial expansion of (a+b)n, n is positive integer the sum of even coefficients equals:

Choose an answer

none of these

Choose an answer

A set containing finite number of elements is called:

Choose an answer

nullset

superset

finiteset

infiniteset

Choose an answer

The line l is horizontal if and only if slope is equal to:

Choose an answer

0

1

2

undefined

The term function was introduced by:

Choose an answer

Euler

Newton

Lagrange

Leibniz

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

Choose an answer

y = 1

y = 0

y = -1

y = 2

Choose an answer

Parallel lines

Non-parallel lines

Perpendicular lines

Coplanar lines

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

Choose an answer

|CP| < r

|CP| = r

|CP| > r

None of these

Choose an answer

3

4

5

6

Choose an answer

(1, 1)

(1, 3)

(1, 4)

(1, 5)

Choose an answer

1

0

Length of tangent from (a, 0) to the circle x² + y² + 2gx + 2fy + c = 0 is:

Choose an answer

c

2g + 2f -c

None

Choose an answer

One variable

Three variable

Two variable

Four variable