Question # 1

Which of the following is associative law of Intersection?

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A∪ (B ∪ C) = (A∪ B)∪ C

A∩ (B∩C)= (A∩B)∩C

A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)

A∩(B∪ C) = (A∩B)∪(A∩C)

Any portion of the circumference will be known as ______ of the circle:

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A chord

An arc

A tangent

An angle

1+tan²θ=________

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Sin²θ

Cos²θ

Cosec²θ

Sec²θ

Find k, if the roots are equal in (k+3)x²-2(k+1)x-(k+1)=0:

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2, -1

-2,-1

-2,1

2,1

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Sides

Angles

Squares

Vertex

A quadratic equation has:

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Two roots

Three roots

Fourroots

Fiveroots

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Point (-1,4) lies in quadrant:

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I

II

III

IV

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1.5cm

2.0cm

2.5cm

3.5cm

The observation that divide a data set into four equal parts are called.

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Declies

Quartiles

Percentiles

Harmonic mean

In a set of observation. 5,5,7,9,9,9,9,11,11,11,11,12,12 the mode is:

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9

11

Both 9 and 11

None of these

3π/4 radian =

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115^o

135^o

150^o

30^o

In continued proportional a:b = b:c, c in said to be ______ proportional to a and b:

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Third

Fourth

Means

None of these

If a : b = c : d, then a + b : a - b = c + d : c - d is called theorem of:

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Componendo-Dividendo

Invertendo

Dividendo

Componendo

The factors of 3x²-7x-20=0 are:

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(x-4)(3x+5)

(x+4)(3x-5)

(x-4)(3x-5)

(x+4)(3x+5)

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2

1

0

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