Question # 1

The set of the first elements of the orders pairs forming a relations is called its

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Relation in B

Range

Domain

Relation in A

If z₁ =√-36 ,z₂ =√-25,z3 =√-16 then

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15

15i

-15i

-15

Which one is not defined∀n∈Z+

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-n!

n!

(-n)!

n!+0!=n!+1

sin(π+θ)=_______;

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sinθ

cosθ

-sinθ

-cosθ

Domain of sin x is ______

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n!

0!

1

None of these

cos 315° = ______

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R/[0,4]

R/(0,4)

(0,4)

[0,4]

The slope of x-axis is

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0

undefined

1

0 is a symbol of

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singleton set

Empty set

Equivalent set

Infinite set

Coordinates of the focus of the parabola x² - 4x -8y-4=0 are:

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(0,2)

(,0,1)

(2,0)

(1,2)

A circle drawn inside a triangle and touching its sides is called ______;

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Circumcirle

Incircle

Escribed circle

unit circle

{x|x∈R∧x≠x} is a

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Infinite set

Null set

Finite set

None of these

For any two sets A and, A ⊆ B if

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x ∈ A ⇒ x ∈ B

x ∉ A ⇒ x ∉ B

x ∈ A ⇒ x ∉ B

None of these

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[0, 0, 0]

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

3j . k x i

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0

1

3

9

In R, the multiplicative identity is

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0

1

-1

None

tan 294° =______;

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tan 24°

-tan 24°

cot 24°

-cot 24°

The distance between the points (2,3) and (3,2) is

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5

2

10

x = sin^-13, then the value of sin x is

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√(3/2)

3

Not possible

-1

The area of the rhombus whose vertices are A(0,0),B(2,1),C(3,3),D(1,2) is

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36 square units

3 square units

6 square units

18 square units

In R, the additive identity is

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0

1

-1

None

An airplane flying at height of 300 meters above the ground passes vertically above another plane at an instant when the angle of elevation of the two planes from the same point on the ground are 60° and 45° respectively. Then the height of the lower plane from the ground is (in meters).

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The term involving x4 the expansion (3-2x)7 is

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217 x4

15120x4

313x4

-25x4

For trival solution |A| is

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A

|A| is non zero

A = 0

None of these

1 + 2 + 3 + ...... + n = ______

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Which one is a pair of allied angles

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(180° -θ)

(180° -θ,180° +θ)

(180° +θ)

None of these

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If f (x) = 2x+1 then fof (x) = _______;

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4x+3

2x +3

4x +1

None of these

The line through the intersection of the lines x+ 2y+ 3= 0 : 3x +4y +7 =0 and making equal intercepts on the axes is

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x+ y+ 1= 0

x+ y- 2= 0

x+ y+ 2= 0

2x +y +2 =0

The set {0,-1} hold closure property under

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Addition

Both a & c

Multiplication

None of these

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