Question # 1

The square of standard deriation :

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Standard deriation

Range

Dispersion

Variance

Find k, if the roots are equal in (k+3)x²-2(k+1)x-(k+1)=0:

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2, -1

-2,-1

-2,1

2,1

In a : b : : b : c, where c is called:

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Fourth proportional

Meanproportional

Thirdproportional

Continuedproportional

If two circles touch each other, their centres and point of contact are:

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Coincident

Non-collinear

Collinear

The positive square root of mean of the squared deviations of x_i(i=1, 2---------------------,n) observations from their arithmetic mean is called:

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Harmonic mean

Range

Standard deviation

A group frequency table is called.

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Data

Frequency distribution

Frequency polygon

None of these

The size of class interval (6-10) is.

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4

5

8

10

If f is a function from A to B, then f is one - one function if:

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Range f≠ A

Range f = B

Dom f = A

Second element of all ordered pairs contained in f is not repeated.

The quadratic formula is:

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The circumference of a circle is called _________ of a circle:

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Chord

Arc

Radius

Boundary

Radii of a circle are:

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All equal

Double of the diameter

All unequal

Half of any chord

If two arcs of a circle (or of congruent circles) are congruent, then the corresponding chord are:

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Perpendicular

Parallel

Bisect each other

Equal

A histogram is a set of adjacent:

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Squares

Rectangles

Circles

The most frequent occurring observation in a data set is called:

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Mode

Median

Harmonic mean

If f: A→ B and range of f= B , then f is an..............

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into function

onto function

bijective function

function

A and A^care.................................Set.

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Universal

Overlapping

Disjoint

Super

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

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