Question # 1

Two quadratic equation in which xy term is missing and the coefficients of x²and y²are equal, give a linear equation by ______

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Addition

Subtraction

Multiplication

Division

The roots of the equation 4x - 3.2x+2 + 32 = 0 would include

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1 and 3

1 and 4

1 and 2

2 and 3

A triangle which is not right is called an ______ triangle

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Acute

Obtuse

Oblique

None of these

Cos (cos4π/3)=

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π/2

π/3

2π/3

-π/3

A sequence having no last term is called

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arithmetic sequence

Geometric sequence

Finite sequence

Infinite sequence

Which of the following statement is true?

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A set is a collection of non-empty object

A set is a collection of only numbers

a set is any collection of things

a set is well-defined collection of objects

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8

4

64

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Polynomial of degree 0

Polynomial of degree 1

Polynomial of degree 2

Polynomial of degree n

Some of two real numbers is also a real number , this property is called:

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Commutative property w.r.t addition

Closure property w.r.t. addition

Associative property w.r.t. addition

Distributive property w.r.t addition

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The distance between the points (0,0) and (x,y) is

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x²+ y²

x

y

ᵨ is a

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variable

Positive constant

Positive variable

Directrix

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

The angle of elevation of the top of a tree from a point 17 meters from is foot is 42^𝜊The height of the tree is

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12m

21m

17m

15m

The set of natural no. is closed under

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multiplication

subtraction

difference

division

The eccentricity e of an ellipse is always

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Rational

Real

Irrational

Integer

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0

1

2

3

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5

10

20

30

Period of 2 cos x is ______

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The coordinates of the point that divides the join of A(-6,3) and B(5, -2) in the ratio 2:3 externally are

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1

-1

A circle is a limiting case of an ellipse whose eccentricity

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Tends to a

Tends to b

Tends to 0

Tends to a + b

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Range of secθis

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Z - {x | -1 < x < 1}

W - {x | -1 < x < 1}

R - {x | -1 < x < 1}

R

Period of Sine and Cosine function is

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π

2π

-π

-2π

A function F(x) is called even if

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F(x) = F (-x)

F(x) = F(-x)

F(x) = -F(x)

2F(x) = 0

202.04 is an example of

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Recurring decimals

Non-recurring decimals

Terminating decimals

None of these

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both a & c

(x + 2)²= x²+ 4x + 4 is

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A linear equation

A cubic equation

A quadratic equation

None

Which of the following is an identity matrix?

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none of these

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