Question # 1

The conjugate of 5 + 4i is

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-5 + 4i

-5 - 4i

5 - 4i

5 + 4i

Two similar triangles are _______:

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Congruent

Non congruent

May be or may be not congruent

None of these

If a line segment intersects the two sides of a triangle in the same ration then it is ______ to the third side:

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Perpendicular

Parallel

Intersecting

Similar

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_______ of rectangle are congruent:

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Diagonals

Heights

Bases

None of these

Similar surds means, surds having ________ irrational factors:

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Same

Different

One

No

Angles of an equilateral triangle are_______:

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Congruent

Not Congurent

Right angle

Unequal

If Z = Z₂ and Z₂ = Z₃ then Z₁ = Z₃ this property is known as ______ property:

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Reflexive

Symmetric

Transitive

Commutative

If two opposite sides of a quadrilateral are congruent and parallel it is a __:

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Square

Rhombus

Trapezium

Parallelogram

A matrix is called a row matrix if it has only one _________:

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Column

Row

Diagonal

None

Factors of 3x-3a + xy - ay are:

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(y+3)(x-a)

(y+3)(x+a)

(3+y)(x-a)

(3-y)(a-x)

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The formula of range is:

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X_max -X_min

X_max + X_min

groups/wight

none of these

The value of i is equal to:

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In which quadrant only tanθ and cotθ are positive.

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I

II

III

IV

A quadratic equation has:

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Two roots

Three roots

Fourroots

Fiveroots

The tangent and radius of a circle at the point of contact are _________:

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Parallel

Not perpendicular

Perpendicular

None of these

Formula of variance is group data is:

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Mode from the following data ,4.4,5.5,6.6,7.7,8.8,6.5,6.5,7 is..........

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4

5

5.6

5.7

Perpendicular from the centre of a circle on a _______ bisects it:

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Segment

Arc

Sector

Chord

Tan 90 =_________.

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√3/2

1/√3

0

undefined

The solution set of equation 4x²-16=0 is:

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{4}

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