Question # 1

The n^th positive root of the product of the x₁,x₂,x₃..................x_n observations is called:

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Mode

Mean

Geometric mean

1/cosθ = ................

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Sinθ

Secθ

Co secθ

Cosθ

Which of the following is complete description of Real numbers?

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N∪ W = R

O∪ E = R

P∪ Q = R

Q∪ Q' = R

Geometry means measure of the:

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Earth or Straight line

Earth or Land

Triangle or Polygon

Earth or Point

Factors of x²-x-2=0 are:

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(x-1)(x+2)

(x-1)(x-2)

(x+1)(x+2)

Perpendicular bisectors of sides of the triangle provides the:

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Radius

Segment

Diameter

Centre

Geometric mean of 2,4,8 is......................

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2

4

8

3

Which of the following is true?

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W⊆ N

Z ⊆ W

N ⊆ P

P ⊆ W

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

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Average

Dispersion

Central tendency

A straight line, drawn from the centre of a circle to bisect a chord is _______ to the chord:

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Parallel

Equidistant

Perpendicular

Congruent

Two intersecting circles are not:

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Incentric

Escribecentric

Concentric

Circumcentri

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Proper fraction

Rational fraction

Improper fraction

Irrational fraction

Power set of an empty set is:

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{a}

If the rotation of the ray is clock wise, the angle has ________ measure:

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Degree

Negative

Positive

Standard

Cot 60^o=________________

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1/√3

√3

1/2

2

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One variable

Twovariable

Threevariable

Fourvariable

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