Question # 1

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4

3

1

0

The union of two non-collinear rays with common end point is called a/an:

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Ray

Side

Angle

Vertx

1/sinθ = ...............

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Cosθ

Secθ

Co secθ

Cotθ

Sinθ,Cosecθ =..............................

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1

0

Sinθ

Cos θ

1/2 sosec 45^o

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1/2√2

1/√2

√2

√3/2

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2

6

5

The harmonic mean of the observation 0,15,12, is:

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3.7

7.3

6.7

no harmonic mean

During frequency distribution number of groups should be between........

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5 and 10

10 and 15

10 and 20

5 and 15

Locus of a point in a plane equidistant from a fixed point is called:

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Radius

Circle

Circumference

Diameter

Coding formula of group data of the arithmetic mean is:

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X̅ = ∑fX/∑f

X̅ = ∑fD/∑f

X̅ = A + ∑fu/∑f x h

X̅ = A + ∑fu/∑f

20° =

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360'

630'

1200'

3600'

The product of roots, of equation 5x²+(7-2m) x + 3 = 0 will be:

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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

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

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xyv

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1

-1

Which mathematical expression is correct:

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