Question # 1

One and only one circle can be drawn through _______ non-collinear collinear points:

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One

Two

Three

Four

When the number of observations of a set of data is even then the median formula is:

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The set having only one element is called:

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Null set

Power set

Singleton set

Subset

Tan 180° =

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0

1

Not defined

-1

In which quadrant only Cosθ and Secθ are positive?

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I

II

III

IV

The discriminant of 7x²+8x+1=0 is:

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32

34

36

38

An angle inscribed in a semicircle is:

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

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Mode

Median

Harmonic mean

Sum of the deviations of the variable x from its mean is alwyas....

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Zero

One

Same

Negative

The circumference of a circle is called:

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Tangent

Chord

Boundary

Segment

If union and intersection of two sets are equal then sets are..............sets.

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Disjoint

Overlapping

Equal

Super

Sec (-60^o)=.....................

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-Sec 60^o

Sec 60^o

Cos60^o

Cot 60^o

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

The Discriminant of ax²+bx+c=0 is:

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b²-4ac

b²⁺4ac

-b²⁺4ac

-b²-4ac

The tangent and radius of a circle at the point of contact are _________:

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Parallel

Not perpendicular

Perpendicular

None of these

D° M' S"form of 45.36° is:

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45° 21" 36'

45' 21'° 36"

45° 21' 36''

45'' 21' 36°

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