Question # 1

A∩ A^c= ...........................

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∪

A^c

∅

A

A∪ A^c=..............

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∪

A

A^c

∅

The relation {(1,2),(2,3),(3,3)(3,4)} is.

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Onto function

Into function

Not a function

One-One function.

The set having only one element is called:

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Null set

Power set

Singleton set

Subset

A set Q = {a/b} a, b∈ Z ^ b≠ 0} is called a set of.

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Whole numbers

Natural number

Irrational numbers

Rational numbers

The domain of {(a,b),(b,c),(c,d)} is............

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{a,b,c}

{b,c,d}

{a,b}

{a,b,c,d}

The formula of range is:

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X_max -X_min

X_max + X_min

groups/wight

none of these

Formula to determine the size of a class is:

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X_max - X_min

X_max + X_min

Range/number of groups

number of groups/Range

If variance is equal to 36 then the standard deviation will be:

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36

6

-6

none of these

The point (4,-6) lies in..................quadrant.

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I

II

III

IV

O - E = ............

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∅

O

E

Z

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

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4

6

8

9

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)

Collection of distinct objects.

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Subset

Power set

Set

None of the

Which of the following is distributive property of union over intersection?

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A∪ (B ∪ C) = A∪ (B∪ C)

A∩ (B∩C)= (A∩B)∩C

A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)

A∩(B∪ C) = (A∩B)∪(A∩C)

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}

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