Question # 1

If a : b = c :d, than a - b : b = c - d : d is called theorem of :

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Componendo

Dividendo

(a) & ( b)

Invertendo

The most frequent occurring observation in a set of data is called.

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Mode

Median

Hamonic mean

Mean

The discriminant of x²+8x+16=0:

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4

3

2

0

20^o= ..............................

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360^o

630^o

1200^o

3600^o

In which quadrant only Sinθ and Co cosθ are positive?

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I

II

III

IV

In continued proportional a:b = b:c, c in said to be ______ proportional to a and b:

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Third

Fourth

Means

None of these

Two intersecting circles are not:

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Incentric

Escribecentric

Concentric

Circumcentri

In proportion 7:4::p:8, p = ____________:

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14

7/2

-14

Tan 180° =

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0

1

Not defined

-1

The value obtained by reciprocating the mean of the reciprocal of x₁,x₂,x₃..............x₁₁ observation is called....................

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Geometric mean

Median

Harmonic mean

S.D

In a circle radius 10 what is the length of are intercepted by a central angle of 60°:

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π/3m

3/10πm

10π/3m

π/30m

The spread or scatierness of observations in a data set is called.

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Average

Dispersion

Central tendency

Quartile

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9

7

5

3

If A⊆ B then A∪ B is equal to

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A

B

∅

None of these

1^o = ................

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0.0175 radians

0.175 radians

1.75 radians

175 radians

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1

0

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