Question # 1

If R ={(0,2),(2,3),(3,4)} then Dom (R) is:

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{0,3,4}

{0,2,3}

{0,2,4}

{2,3,4}

In proportion a:b::c:d, b and c are called:

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Means

Extremes

Third proportional

None of these

If A⊆ B the A⋂ B = ______

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A

B

∅

A⋃ B

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

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Average

Dispersion

Central tendency

The product of roots, of equation 5x²+(7-2m) x + 3 = 0 will be:

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The distance between the centres of two congruent touching circles externally is:

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Of zero length

The radius of each circle

The diameter of each circle

Twice the diameter of each circle

If an arc of a circle subtends a central angle of 60°, then the corresponding chord of the arc will make the central angle of:

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20°

40°

60°

80°

The range of {(a,a),(b,b),(c,c) is ..............

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{a,b}

{a,b,c}

{a}

∅

In an equilateral triangle ABC, then side BC is trisected at D then:

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Sin 60^o = ................

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1/2

√3/2

2

2/√3

Point (-1, 4) lies in the quadrant:

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I

II

III

IV

Sec² θ -tan²θ =______________.

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sec²θ

cos²θ

1

sin²θ

Right bisector of the chord of a circle always passes through the:

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Radius

Circumference

Centre

Diameter

If R= { (a,2),(b,3),(c,3) }, then Dom R = ________________

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{1,2}

{1,2,3}

{a,b,c}

{a,c}

In which quadrant 0 lie when Cosθ < 0. tanθ <0?

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I

II

III

IV

The nth positive root of the product of the x₁,x₂,x₃,..............x₁₁ observation is called.

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Mode

Mean

Geometric mean

Median

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