Question # 1

Tan 90° = __________

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1

0

Undefined

None of these

O∩ E = ....................

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∅

O

E

Z

The extent of variation between two extreme observations of a data set is measured by:

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Average

Range

Quartiles

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A quadratic factor is:

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ax²+bx+c

ax+b

Ax+B+c

bx+c

1/2 sosec 45^o

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1/2√2

1/√2

√2

√3/2

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Two square roots of unity are:

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1,-1

Two intersecting circles are not:

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Incentric

Escribecentric

Concentric

Circumcentri

A value best representing a set of data is called:

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Average

Variance

Standard deriviation

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

The common end point of arms of an angle is known as:

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Angles

Arms

Vertex

Rays

Synthetic division is simply a short cut of:

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H.C.F

L.C.M

Long division method

Factorization

The arcs opposite to incongruent central angles of a circle are always:

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Congruent

Incongruent

Parallel

Perpendicular

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 which quadrantθ lie when Sinθ> 0, tanθ< o ?

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I

II

III

IV

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