Question # 1

Arithmetic mean is a measure that determines a value of the variable under study by dividing the sum of all values of the variable by their:

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Number

Group

Denominator

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

The number of terms in a standard quadratic equitation ax²+bx+c=0 is:

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1

2

3

4

The different number of way to describe a set are.

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1

2

3

4

The geometric mean of the a observations 2,4,8, is:

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2

8

4

no geometric mean

A ___________ is the locus of a moving point P in a plane which is equidistant forms some fixed point O.

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circle

diameter

chord

circumference

Find x in proportion 4:x::5:15

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12

The reciprocal of Arithematic mean of reciprocal of values is called:

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Average

Harmonic mean

Geometric mean

None of these

Which of the following is De-Morgan's law?

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(A∪ B)∪ C = A∪ ( B∪ C)

(A∩B)^C= A^c∪ B^c

A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)

A∩(B∪ C) = (A∩B)∪(A∩C)

1 radian is equal to:

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57°16'45"

57°17'45"

57°18'55"

57°17'35"

The chord length of a circle subtending a central angle of 180° is always:

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Less than radial segment

Equal to the radial segment

Double of the radial segment

None of these

A quadratic factor is:

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ax²+bx+c

ax+b

Ax+B+c

bx+c

In which quadrant 0 lie when Co secθ<0, cosθ<0?

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I

II

III

IV

The square of standard deriation :

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Standard deriation

Range

Dispersion

Variance

Number of terms in standard Quadratic Equation ax²+bx+c = 0

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1

2

3

4

The quotient of two numbers or algebraic expressions is called:

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Ratio

Fraction

Proportion

Percentage

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