Question # 1

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150°= ______

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In the function f: A⟶B, the elements of a are called

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Images

Pre-images

ranges

Parameters

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sin h x

cos h x

tan h x

cot h x

The point (x₁, y₁) lies outside the circle x²+ y²+ 2gx + 2fy + c =0 if

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If a,b = 0 then

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a |b

a||b

a = b

None

(a, b) + (-a, -b) =

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(0,0)

(a, b)

(-a, -b)

(1, 1)

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x-axis

y-axis

z-axis

None of these

In quadratic equation, if the replacement of y with -y leaves the equation unchanged, then the graph is

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Straight line

Circle

Hyperbola

Symmetric w.r.t.0

Domain of 2 cos x is ______

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[-2, 2]

R

Negative real numbers

None of these

The point R dividing internally the line joining the points P(x₁, y₁) and Q(x₂, y₂) in the ratio K₁: K₂has the coordinates

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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

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Associative law of multiplication

Commutative law of addition

Commutative law of multiplication

Associative law of addition

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IfΔABC is right, law of cosine reduce to

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Law of sine

Law of tangent

Phthogorous theorem

Hero's formula

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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-1

0

1

Undefined

Point (2,0) lies on trigonometric function f(x)=______;

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sinx

cosx

tanx

secx

For trival solution |A| is

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A

|A| is non zero

A = 0

None of these

The equation of the tangent at vertex to the parabola is y2 = -8(x -3)

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y=0

x=3

x=1

x=5

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images

pre-images

constants

none of these

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Biconditional

Implication

Antecedent

Hypothesis

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are real no

both are not real

are imaginary no

both are imaginary

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

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

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217x⁴

15120x⁴

313x⁴

-25x⁴

{0} is a

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Empty set

Singleton set

Zero set

Null Set

Arithmetic mean between 14 and 18 is

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16

17

15

32

If n is any positive integer then 3 + 6 + 9 + ....+ 3n = ______

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if a₁ =3, d=7 and a_n =59 , then the number of terms in A.P is

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7

9

11

13

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