Question # 1

If f is a function from A to B, then f is onto 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.

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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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Proper fraction

Improper fraction

Rational fraction

Irrational fraction

Synthetic division is simply a short cut of:

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H.C.F

L.C.M

Long division method

Factorization

Fundamental trigonometric ration are.

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3

4

5

6

Sum of the deviations of values x from its mean is always ''i.e ∑(x-x̅)’is to equal:

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itself

zero

median

mode

The positive square root of mean of the squared deviation of X,{1=1,2,3,.......n) observations from their arithmetic mean is called.

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Harmonic mean

Range

Standard deviation

Variance

The formula of area of circular sector is:

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l = rθ

r²θ

1/2r²θ

2r²θ

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 circle of radius 'r' has area:

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πr²

2πr

2πr²

1/2πr

A frequency polygon is a many sides.

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Closed figure

Rectangle

Circle

Triangle

If variables occurs in exponent, then such equations are called:

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Constant equations

Linearequations

Exponentialequations

Binomialequations

Any pair of radii divides a circle into ______ sectors:

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Two

Three

Four

Five

A tangent is perpendicular to the radius of a circle at its point of:

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Tangent

Touch

Contact

Meet

60 seconds makes ______ minute:

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1

2

3

4

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