Question # 1

The transport of a null matrix is

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Row matrix

Column matrix

Square matrix

Null matrix

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1

0

5

2

If P = {x/x = p/q where p,q∈ Z and q≠ 0}, then P is the set of

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Irrational numbers

Even numbers

Rational numbers

Whole numbers

The set {1, -1, i, -i}

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Form a group w.r.t addition

Form a group w.r.t multiplication

Does not form a group w.r.t multiplication

Not closed under multiplication

sin5θ+sin3θ = _______;

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2sin 4θ cosθ

2cos 4θ sinθ

2cos 4θ cosθ

-2sin 4θ sinθ

The roots of ax2+bx+c=0 are

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Rational ⇔ b2 -4 ac ≥ 0

Irrational ⇔ b2-4 ac > 0

Real ⇔ b2-4 ac ≠ 0

Rational⇔ b2-4 ac = 0

60° = ______

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Number of terms in the expansion of (a+x)ⁿis

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n - 1

n + 1

n + 2

n + 3

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

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1/6

1/3

1/2

1

A square matrix A for which A^t= -A is called a

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Column matrix

Symmetric matrix

Skew-symmetric matrix

Row matrix

The set of points {(x,y)|y = f(x),∀x∈} is called

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Relation

Graph of f

Function

All are correct

∀a,b,c∈R and c>0,then

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a>b ⇒ ac < bc

a>b ⇒ ac > bc

a<b ⇒ ac > bc

None of these

Tan 30° = _____

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0

20

90

80

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-3 -2i

3 +2i

1 + 2i

1 - 2i

The common point to four standard parabolas

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Focus

Centre

Vertex

P(x,y)

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The physical quantity which possesses both magnitude and direction is called a

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scalar

vector

constant

none of these

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3, 6, 12,.... is

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A.P

G.P.

H.P.

None of these

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1

-1

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If z1 = 2 + 6i and z2 = 3 + 7i then which expression defines the product of z1 and z2

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36 +(-32)i

-36+32i

6+(-11)i

0, +(-12)i

The area bounded by y = x (x2 - 4) and below x - axis is

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4

0

-4

8

If a variable y dependents on a variable x in such a way that each value of x determines exactly one value of y, then we say that

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x is function of y

y is a function of x

y is independent variable

x is real valued function

If the lines 2x-3y-1=0,3x-y-5=0 and 3x+py+8=0 meet at a unique point then

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p = -14

p = -1

p =0

p=12

If sided of𝜟ABC are 16,20,and 33, then the value of the greatests angle to

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150𝜊 20'

132𝜊 35'

101𝜊 25'

160𝜊 50'

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1, 2, 3

1, 5, 9

2, 5, 8

3, 6, 9

The middle term of (x-y)⁸is

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25 x⁴y⁴

70 x⁴y⁴

120 x⁴y⁴

97x⁴y⁴

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