Question # 1

O∩ E = ....................

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∅

O

E

Z

If A⊆ B then A⋃ B = __________

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A

B

∅

None of these

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

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4

6

8

9

W - N = ....................

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∅

{∅}

N

W

The number of elements in power set {1,2,3}:

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4

6

8

9

The set {x} x∈ A and x∉ B } is.......................

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A∪ B

A∩ B

A - B

B - A

If set a has 3 elements and B has 4 then A x B has __________ elements.

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3

4

12

7

If x⊆ A and x∉ b, then { x } is equal to.............

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A - B

B - A

A∩ B

A^c

If union and intersection of two sets are equal then sets are..............sets.

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Disjoint

Overlapping

Equal

Super

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.

N∩ W = ..................

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∅

{∅}

N

W

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

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distribution

grouped data

range data

regrouped data

A and A^care.................................Set.

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Universal

Overlapping

Disjoint

Super

The measures that are used to determine the degree or extent of variation in a data set are called:

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central value

A.M

measures of dispersion

median

A set containing no element is called.

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subset

Empty set

Singleton set

Super set

If R= { (a,2),(b,3),(c,3) }, then Dom R = ________________

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{1,2}

{1,2,3}

{a,b,c}

{a,c}

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