Question # 1

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zero

unit

scalar

singular

AA^-1 = _________:

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A

A^-1

I

0

Equality of two ratios is defined as _________:

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Direct proportions

Inverse proportions

Ratio

Proportion

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The value of (-i)⁸:

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-i

i

1

-1

If 2x + 1 = 3, then the value of x will be:

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-1

2

1

3

H.C.F of x-2 and x²+x-6 is _______:

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x²+x-6

x+3

x-2

x+2

Which is order of square matrix:

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2-by-2

1-by-2

2-by-1

3-by-2

Factors of a⁴-4b⁴ are:

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(a-b),(a+b),(a2+4b²)

(a²-2b²),(a²+2b²)

(a-b),(a+b),(a^2-4b²)

(a-2b),(a²+2b²)

M^-1=

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-M

AdjM

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A value best representing a set of data is called:

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Average

Variance

Standard deriviation

None of these

A set having only one member.

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Empty set

Power set

Singleton set

Sub set

Formula to determine the size of a class is:

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X_max - X_min

X_max + X_min

Range/number of groups

number of groups/Range

A 4cm long chord subtends a central angle of 60°. The radial segment of this circle is:

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1

2

3

4

The size of class interval (6-10) is.

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4

5

8

10

The standard form of quadratic equation is:

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x²+6=7x

x²-7x=6

7x+6=x²

x²-7x+6=0

A data in the form of frequency distribution is called:

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Grouped data

Ungrouped data

Histogram

A part of circumference of a circle is called.

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Radians

CFhord

Sector

Arc

The measures that are used to determine the degree or extent of variation in a data set are called:

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central value

A.M

measures of dispersion

median

(A∩B)'= _____________

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A'∪B'

A'∩B'

A∩B

A∪B

If set has 3 and B has 2 elements then number binary relations of A x B.

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2²

2⁸

2⁶

2³

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The additive inverse of a real number is a:

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0

-a

a

1° is equal to:

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In 2s = a + b + , then in any triangle ABC:

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all of above

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2x

x²

1

none of these

The domain of y = sin^-1 x is:

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sin (Θ - π) =

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3×1

1×3

3×3

1×1

A set having no element is called:

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null set

subset

singleton

superset

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