Question # 1

A ___________ is the locus of a moving point P in a plane which is equidistant forms some fixed point O.

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circle

diameter

chord

circumference

a deviation is defined as a difference of any value of the variable from a......

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Constant

Histogram

sum

Frequency

The different number of way to describe a set are.

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1

2

3

4

The centre of incicle is called:

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Origin

Incentre

Centre

Fixed point

The identity (5x + 4)² = 25x² + 40x + 16 is true for:

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One value of x

Twovalue of x

All values of x

None of these

The positive square coot of mean of the squared deviations of x₁ (i = 1,2..........n) observation from their arithmetic mean is called.

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Harmonic mean

Range

S.D

Variance

A∩ A^c= ...........................

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∪

A^c

∅

A

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4.13

3.14

15.4

17.3

The observations that divide a data set into four equal parts are called:

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Deciles

Quartlies

Percentiles

The date presented in the form of frequency distribution is called:

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distribution

grouped data

range data

regrouped data

To solve (x+a)(x+b)(x+c)(x+d) = k, we have:

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a-b=b-c

a-b=c-d

a+b=c+d

a-c=b-c

If (x+1)(7x+1) = 0 then x is equal to:

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If variance is equal to 36 then the standard deviation will be:

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36

6

-6

none of these

Tangent drawn at the ends of diameter of a circle of___________ to each other:

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parallel

perpendicular

collinear

none parallel

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One variable

Twovariable

Threevariable

Fourvariable

A set with no element is called.

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Subset

Empty set

Singleton set

Super set

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