Question # 1

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

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Arithematic mean

Geometric mean

Harmonic mean

Standard deriviation

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1

-1

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Rational number

Irrational number

Natural number

Real number

ax²+bx+c=0, c is the:

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Co-efficient

Variable

Factors

Constant

The fourth proportional w of x : y::v : w is:

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xyv

Tangents drawn at the ends of diameter of a circle are _______ to each other:

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Parallel

Non parallel

Collinear

Perpendicular

In a ratio x:y, y is called:

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Relation

Antecedent

Consequent

None of these

K is known as:

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Sign of proportionality

Extremes

Constant of proportionality

Means

Formula of variance is group data is:

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3π/2 Radian =__________________

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30^o

135^o

180^o

270^o

Tan 90° = __________

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1

0

Undefined

None of these

The positive square root of mean of the squared deviations of x_i(i=1, 2---------------------,n) observations from their arithmetic mean is called:

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Harmonic mean

Range

Standard deviation

Line intersecting a circle is called:

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Tangent

Secant

Chord

Diamter

A fraction in which the degree of the numerator is greater or equal to the degree of denominator is called:

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A proper fraction

An improper fraction

An equation

Algebraic relation

A∩ A^c= ...........................

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∪

A^c

∅

A

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Proper fraction

Improper fraction

Irrational fraction

Rational fraction

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