Question # 1

Formula of arc length is.

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l=rθ

r=lθ

θ =lr

l=r/θ

If b²-4ac<0, then the roots of ax²+bx+c=0 are:

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Irrational

Rational

Imaginary

None of these

If two cords of a circle (of of congruent circles) are equal, then their corresponding arcs (minor, major or semi circular) are:

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Proportional

Equal

Congruent

Bisecting chords

The value obtained by reciprocating the mean of the reciprocal of x₁,x₂,x₃..............x₁₁ observation is called....................

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Geometric mean

Median

Harmonic mean

S.D

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4.13

3.14

15.4

17.3

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Locus of a point in the plane equidistant from a fixed point is called:

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Radius

Circle

Circumference

Diameter

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

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Means

Extremes

Fourth proportional

None of these

Equation is 2x⁴-3x³+7x²-3x+2=0 called:

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Reciprocal

Radical

Exponential

None

Angles between 0^o and 90^o are to which quadrant?

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I

II

III

IV

Sec²θ__________________

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1-Sin²θ

1-tan²θ

1 + Cos²θ

1-tan²θ

If a = 7, b = 8 and c = 1 then b²-4ac is equal to:

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33

34

35

36

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

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I

II

III

IV

π/2 radians =.....................

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30^o

45^o

60^o

90^o

The semi circumference, and the diameter of a circle both subtend a central angle of:

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90°

180°

270°

360°

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10th Class Mathematics English Medium KPK Boards Online MCQ's MCQs With Answers

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