Question # 1

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

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Tan 90 =_________.

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√3/2

1/√3

0

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Each of the complex cube root of unity is:

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The square of the other

The half of the other

The cube of the other

Equal to each other

The set having only one element is called.

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Null set

Power set

Singleton set

Subset

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Proper fraction

Improper fraction

Irrational fraction

Rational fraction

If the angles subtended by two chords of a circle (or congruent circles) at the centre (corresponding centre) are equal, the ______ are equal:

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Lines

Segments

Chords

Arcs

Factors of x²-x-2=0 are:

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(x-1)(x+2)

(x-1)(x-2)

(x+1)(x+2)

In a cumulative frequency Polygon frequencies are plotted against:

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Mid points

Upper class boundries

Class limits

The number of elements in power set {1,2,3}:

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4

6

8

9

A histogram is g group/ set of adjacent:

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squares

circles

rectangle

cube

The nth root of product of 'n' number of values is called:

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Arithematic mean

Geometric mean

Harmonic mean

Standard deriviation

A set with no element is called.

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Subset

Empty set

Singleton set

Super set

What is radius in circle ?

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Perimeter

Half the diameter

Segment line

Diameter of a a circle divides it into many parts?

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two

three

four

countless

Sum of deviations of the variable X from its mean is always_____________

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Zero

One

Same

None

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