Question # 1

The complement of∅ is...........

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∪

∅

Impossible

Union

In proportion a:b::c:d, b and c are called:

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Means

Extremes

Third proportional

None of these

Cot 45° =

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1

-1

0

Not defined

To solve (x+a)(x+b)(x+c)(x+d) = k, we have:

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a-b=b-c

a-b=c-d

a+b=c+d

a-c=b-c

π/2 radians =.....................

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30^o

45^o

60^o

90^o

Point (-1,4) lies in quadrant:

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I

II

III

IV

An arc substends a central angle of 40° then corresponding chord will substend a central angle of ________:

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20°

40°

60°

80°

In ax²+b+c, the constant term is:

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a

b

c

d

(A∩B)'= _____________

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A'∪B'

A'∩B'

A∩B

A∪B

The solution set of equation 4x²-16=0 is:

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{4}

In a : b : : c : d, d is called:

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Thirdproportional

Fourthproportional

Meanproportional

Continuedproportional

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

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1

2

3

4

In a ratio x:y, y is called:

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Relation

Antecedent

Consequent

None of these

Identify the equation whose roots are imaginary and unequal:

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2x²-x+1=0

x²+8x+16=0

3x²+4x+2=0

x²-7x+7=0

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The mean of the squared deviations of X observations from their arithmetic mean is called.

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Variance

Standard deviation

Range

Harmonic mean

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