Question # 1

The transpose of a zero matrix is a ______

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Column matrix

Zero matrix

Row matrix

Scalar matrix

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If t is the parameter for one end of a focal chord of the parabola y²= 4ax, then its length is

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0! = ______

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0

1

2

Not defined

Empty set is

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Not the member of real numbers

Infinite set

Finite set

Not subset of every set

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Closure law of addition

Associative law of addition

Additive inverse

Additive identity

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[0, 0, 0]

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

The probability to get an odd number in a dice thrown once is

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1/2

1/6

1/3

2

An ellipse slides between two lines at right angles to one another. The locus of its centre is :

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a parabola

an ellipse

a circle

a hyperbola

If u =[3,-4],then modulus of uis:

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5

5i

-5

√5

For an A.P common difference d

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Can be zero

May or may not zero

Cannot be zero

None of these

The period of the function csc x/4 us

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4x

π/4

8π

π/8

A polynomial P(x)has a factor (x-a)if P(a) =

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a

x

1

0

Derivative of sin x w.r.t. sin x is

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0

1

sin x

cos x

The curve f(x,y) = 0 has a central symmetry if

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f(-x,-y)=f(x,y)

f(x,-y)=f(x,y)

f(-x,y)=f(x,y)

f(-x,-y)≠f(x,y)

The sum of all odd numbers between 100 and 200 is

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6200

7500

6500

3750

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Which of the following is factor of x11+a11, where n is an odd integer

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x-a

x+a

2x-a

2x+a

If a₁= a₂= 2, a_n= a_n-1- 1 (n > 2), then a₅is

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1

0

-1

-2

Period of Tangent function is

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0°

-π

π

2π

If the cutting plane is parallel to the axis of the cone and intersects both of its nappes, then the curve of intersection is

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an ellipse

a hyperbola

a circle

a parabola

The 8th term of (1+2x) ^-1/2is

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-221/16 x⁷

-225/18 x⁷

-407/9 x³

-429/16 x⁷

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In a triangle ABC, if angle A = 72° , angle B = 48° and c = 9 cm then Ĉ is

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69°

66°

60°

63°

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additive property

multiplicative property

additive identity

multiplicative identity

The line through the centre and perpendicular to the transverse axis is called the

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Major axis

Minor axis

Focal axis

Conjugate axis

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The central angle of an arc of a circle whose length is equal to the radius of the circle is called the

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degree

radian

minute

second

3/2 is

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An irrational number

Whole number

A positive integer

A rational number

An even function is symmetric about the line

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y = x

x = 0

y = -x

y = 0

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