Question # 1

The number of subsets of B = {1,2,3,4,5}

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10

32

16

5

The set {1, -1, i, -i}

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Form a group w.r.t addition

Form a group w.r.t multiplication

Does not form a group w.r.t multiplication

Not closed under multiplication

The set {Z\ {0} } is group w.r.t

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Addition

Multiplication

Division

Subtraction

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

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A

B

U

None of these

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A

A'

U

None of these

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The total number of subsets that can be formed out of the set {a, b, c} is

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1

4

8

12

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square root function

identity function

linear function

quadratic function

P∉ A means

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Pis subset of A

Pis an element of A

P does not belongs to A

A does not element of P

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ECAT Mathematics Chapter 2 Set Function and Groups Online Test MCQs With Answers

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