Question # 1

The formula of grouped data of the arithmetic mean is:

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X̅ = ∑X/n

X̅ = A + ∑fX/∑X

X̅ = ∑fX/n

X̅ = l +n/f (n/2 - c)

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

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Radius

Circle

Circumference

Diameter

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

Sum of the roots =

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In equation ax⁴+bx²+c=0, we replace:

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x² = y

x= y

x⁴= y

x³= y

7-7h = 0, then h = :

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7

1

0

49

1/cosθ = ................

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Sinθ

Secθ

Co secθ

Cosθ

The length of the diameter of a circle is how many times the radius of the circle:

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1

2

3

The straight line joining any two points of the circumference is called:

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Segment of circle

Arcof circle

Chordof circle

Tangentof circle

A set containing no element is called.

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subset

Empty set

Singleton set

Super set

An angle inscribed in a semicircle is:

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The measure of the external angles of a regular octagon is:

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2

1

0

The length of a tangent to a circle is from the given point to the point of:

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start point

enc points

contact

collinear

Equation 3^2-x + 6 = 0 is of type:

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Exponential

Radical

Reciprocal

Non

From a point outside the circle __________ tangents can be drawn:

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One

Two

Three

Four

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