Question # 1

If the two circles touches externally, then the distance between their centres is equal to the:

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Difference of their radii

Sum of their radii

Product of their radii

If the incentre and circumcenter of a triangle coincide the triangle is:

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Right angle

Scaleve

Isosceles

Equilateral

Angles between 180^o and 270^o are to which quadrant?

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I

II

III

IV

median from the data 82,93,86,92 and 79 is.................

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82

86

92

93

Tan 90° = __________

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1

0

Undefined

None of these

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2

1

0

The date presented in the form of frequency distribution is called:

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distribution

grouped data

range data

regrouped data

The line that passes through centre and touches a circle at two points is called:

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Diameter

Radius

Arc

Corners

Number of elements in power set of {1,2,3}

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4

6

8

9

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

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Means

Extremes

Fourth proportional

None

The spread of observations in a data set is called.

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Average

Dispersion

Central tendency

Mean

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1.5cm

2.0cm

2.5cm

3.5cm

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

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4.13

3.14

15.4

17.3

The Range of R

={(1,3),(2,2),(3,1)(4,4)} is.

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{1,2,4}

{3,2,4}

{1,2,3,4}

{1,3,4}

The Range of R is, if R = {(1,3),(2,2),(3,1),(4,4)}.

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{1,2,4}

{3,2,4}

{1,2,3,4}

{1,3,4}

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