Question # 1

In a ratio a:b, a is called:

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Relation

Antecedent

Consequent

None of these

x-coordinate of every pint on x-axis is.

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+ve

-ve

zero

1

If A⊆ B and B⊆ a , then

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A = B

A≠ B

A∩ B =∅

A∪ B =∅

The value obtained by reciprocating the mean of the reciprocal of x₁,x₂,x₃..............x₁₁ observation is called....................

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Geometric mean

Median

Harmonic mean

S.D

3π/4 radians =....................

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115^o

135^o

150^o

30^o

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4.13

3.14

15.4

17.3

If b²-4ac > 0, but not a perfect square then roots of ax²+bx+c=0 are:

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Imaginary

Rational

Irrational

None of these

The radius of a circumscribed circle is called:

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Circum-radius

Escribed-radius

In-radius

Radius

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Collection of distinct objects.

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Subset

Power set

Set

None of the

The domain of {(a,b),(b,c),(c,d)} is............

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{a,b,c}

{b,c,d}

{a,b}

{a,b,c,d}

The radiance measure of an angle that forms a complete circle is:

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2π

3π

4π

6π

90 degree makes ______ right angle:

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2

4

1

3

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

Mean is affected by change in:

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Value

Ratio

Origin

The two tangents drawn to a circle from a point outside it, are equal in;

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Length

Radius

Measure

Diameter

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