Question # 1

If A= {1,2,3} , B ={4,5} and R+{(1,4),(2,5),(3,4)} then R is __________

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One - one function from A to B

A function A to A

Not a funtion

An onto function from A to B

Cos 30^o =.....................

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1/2

√3/2

2

2/√3

A circum angle is subtended between any two chords of a circle, having:

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Circumference

Diameter

Radius

Central angle

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In proportion 7:4::p:8, p = ____________:

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14

7/2

-14

A circle has only one:

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Secant

Chord

Diameter

Centre

The perpendicular bisector of a chord of a circle passes through the:

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Centre

Radius

Diameter

Arc

The radiance measure of an angle that forms a complete circle is:

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2π

3π

4π

6π

If an object is above the level of observation then angle formed between the horizontal line and observer's line of sight is called:

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Angle of dispersion

Angle of elevation

Obtuse angle

None of these

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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

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

A set with no element is called.

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Subset

Empty set

Singleton set

Super set

A Deviation is defined as a difference of any value of the variable from a:

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Constant

Histogram

Sum

A set containing no element is called.

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subset

Empty set

Singleton set

Super set

The relation {(1,2),(2,3),(3,3)(3,4)} is.

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Onto function

Into function

Not a function

One-One function.

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

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