Question # 1

Tangents drawn at the ends of diameter of a circle are _______ to each other:

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Parallel

Non parallel

Collinear

Perpendicular

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

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Parallel

Not perpendicular

Perpendicular

None of these

(A∪B)∪C is equal to

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A∩ (B∪C)

(A∪B)∩C

A∪(B∪C)

A∩ (B∩C)

The straight line that bisect the circle is called:

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Sector

Radius

Diameter

Segment

The spread or scatterness of observations in a data set is called:

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Average

Dispersion

Central tendency

The domain of R = {(0,2),(2,3),(3,3)(3,4)} is.

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{0,3,4}

{0,2,3}

{0,2,4}

{2,3,4}

Sin²θ + Cos²θ = ______________________________:

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Sinθ

Cosθ

1

2

The discriminant of 2x²-7x+1= 0 is:

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41

45

43

47

Tan 90° = __________

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1

0

Undefined

None of these

Mean of a variable with similar observations any constant k is:

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Negative

k itself

Zero

Which of the following is distributive property of union over 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)

Power set of empty set.

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∅

{a}

{∅,{a}}

{∅}

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Rational number

Irrational number

Natural number

Real number

If θ lies in 2nd (second) quadrant then sin θ and cosecθ are:

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negative

positive

zero

undefined

An equation of the form 2x⁴-3x³+7x²-3x+2=0 is called a/an:

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Reciprocal equation

Radicalequation

Exponentialequation

None of these

The point (-5,-7) lies in ........ quadrant.

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I

II

III

IV

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