Question # 1

(AB)^-1 = B^-1A^-1 is known as:

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Law of transpose of product

Law of multiplicative inverse

Distributive law

Law of inverse of the product

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a²+b²=c²

a²+c²=b²

b²+c²=a²

All of these

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a = -4, b = 7

a = 7, b = -4

a = 1, b = 3

Cannot be determine

Conjugate of 4i - 3 is:

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4i + 3

-4i - 3

-4i + 3

A line is called _______ of a line if it bisects perpendicularly.

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Angle Bisector

Perpendicular Bisector

Median

Altitude

If a+b = 7 and a-b = 3 then value of ab is:

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10

58

29

40

A __________ region in the union of a triangle and its interior:

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Triangular

Plane

Parallelogram

None of these

If (x,0) = (0,y) then (x,y) is:

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(0,1)

(0,0)

(1,1)

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160cm²

26cm²

56cm²

80cm²

Inverse of identity matrix is _______ matrix:

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A

O

A^-1

Identity

If two opposite sides of a quadrilateral are congruent and parallel it is a __:

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Square

Rhombus

Trapezium

Parallelogram

Which of the following is a reciprocal equation ?

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ax³+bx³+cx+d=0

ax⁴-bx³+cx²-bx+a=0

ax⁴+bx³+cx²+dx+e=0

ax⁴+bx³+cx²+bx+a=0

The nature of roots depends on the value of:

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-b+4ac

b²+4c

b²-4ac

-b+4ac²

The size of class interval (6-10) is.

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4

5

8

10

In continued proportional a:b = b:c, c in said to be ______ proportional to a and b:

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Third

Fourth

Means

None of these

The radian measure of an angle that form a complete circle is.

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π/2

π

2π

4π

In ax²+b+c, the co-efficient of x² is:

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c

b

d

a

How many right angles are there in 360 degree?

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Two

Four

Six

Eight

Any two angles in the same segment of a circle are:

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Unequal

Equal

Parallel

Perpendicular

One and only one circle can pass through ______ non-collinear points:

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Two

Three

Four

Five

Arithmetic mean of 34,34,34,34,34,34 is.

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0

341

6

170

In the given set of data 5,5,5,5,5,5,5 the standard deriation is:

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5

0

7

None of these

A matrix of order m×1 is called:

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row matrix

column matrix

identity matrix

scalar matrix

The period of sec 2x is:

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r₁

r₂

r₃

r

The quadrant of an angle Θ is determined by its:

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sign

value

ratio

magnitude

No. of arrangements of the letters of the word PAKPATTAN can be made, taken all together ?

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15130

15120

1512

none of these

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

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4!

5!

none of these

Solution set of the simultaneous equations : x + y = 1, x - y = 1 is:

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{(0,0)}

{(1,0)}

{(0,1)}

{(1,1)}

A clock strikes once when its hour hand is at one, twice when it is at two, and so on. How many times does the clock strike in ten hours ?

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55

78

66

46

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Zero is:

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a natural number

a whole number

a positive integer

a negativeinteger

If the matrices A & B have the orders 2×3 and 5×2 then order BA is:

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3×5

5×2

2×2

none

A circle is of radius 5 cm, the distance of a chord 8 cm long from its center is:

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4 cm

3cm

2.5cm

3.4cm

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Continuous at x = 1

Not continuous at x = 1

Both a and b

none

A unit vector is defined as a vector whose magnitude is:

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0

2

1

4

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Unit vector

Null vector

Position vector

None of these

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Above

Left

Below

Right

A region, which is restricted to the ________ quadrant, is referred to as a feasible region for the set of given contraints.

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First

Third

Second

Fourth

ax + b < c is a inequality of:

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One variable

Two variable

Three variable

Four variable

If a straight line is perpendicular to y-axis, then its slope is:

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1

-1

0

undefined

If x and y are so mixed up and y cannot be expressed in terms of the independent variable x, then y is called a/an ---- function of x.

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Constant

Explicit

Implicit

Inverse

A function, in which the variables are __________ numbers, then function is called a real valued function of real numbers.

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Complex

Rational

Real

None of these