Question # 1

Variance is denoted by...........................

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V

S

S²

X

The relation R = {(1,2),(2,3),(3,3),(3,4)} IS:

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Not a function

Onto function

One-One function

Into function

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Range for the data 110,109,84,89,77, 104,74,97,49,59,103,62 is.....

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41

51

61

71

If number of elements in set A is 3 and in set B is 4 then number of elements in AxB is:

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3

4

12

7

if A and B are disjoint sets , then A∪ B is equal to.

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A

B

∅

B∪ A

The different number of ways to describe a set are:

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1

2

3

4

The formula of grouped data of the arithmetic mean is:

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X̅ = ∑X/n

X̅ = A + ∑fX/∑X

X̅ = ∑fX/n

X̅ = l +n/f (n/2 - c)

The number of methods to solve a quadratic equation is:

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1

2

3

4

The quadratic formula is:

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If set A has all its elements common with set B then set A is called...............set.

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Sub

Overlapping

Disjoint

Super

In a set of data 41,43,47,51,57,52 ,59 median is:

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51

47

52

None of these

Cosec²θ - Cot²θ = ______________

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-1

1

0

tanθ

If 12, p and 3 are in continued proportion, then p =

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Sin(-350°) lies in _____________.

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1st quadrant

2nd quadrant

3rd quadrant

4th quadrant

The circumference of a circle is called _________ of a circle:

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Chord

Arc

Radius

Boundary

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