Question # 1

Triangle with sides 5cm , 7cm 8cm is a ____________ triangle:

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obtuse angle

right angle

acute angle

quadrant angle

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The point (4,-6) lies in..................quadrant.

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I

II

III

IV

The domain of R = {(0,2),(2,3),(3,3)(3,4)} is.

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{0,3,4}

{0,2,3}

{0,2,4}

{2,3,4}

The measure which determines the middlemost observation in a data set is called...................

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Median

Mode

Mean

Variance

The boundary of a circle is called:

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Circumference

Arc

Line

Area

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.

If R ={(0,2),(2,3),(3,4)} then Dom (R) is:

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{0,3,4}

{0,2,3}

{0,2,4}

{2,3,4}

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-2

2

4

-4

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

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Deciles

Quartlies

Percentiles

In a unit circle, cosθ = ___________

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y

x

y/x

None of these

The most frequent occurring observation in a set of data is called.

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Mode

Median

Hamonic mean

Mean

if a=1, b=-3 and c= 3, then discriminant is:

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3

-2

2

-3

The number of elements of the power set {a,b} are.

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1

2

3

4

The quadratic formula is:

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