Question # 1

{1, 2, 3} is _____

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an infinite set

A finite set

A singleton set

Universal set

If #n = (n-5)²+ 5, then find #3 x #4.

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54

12

4

9

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If 0 = {1,3,5.......}, then n (0) =

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99

odd integers

Even numbers

Infinite

The set of natural is a semi group w.r.t

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Addition

Division

Subtraction

None of these

Multiplicative inverse of "1" is

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+- 1

0

1

None of these

The complement of set A relative to universal set U is the set

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{x / x∈ A∧ x∈ U}

{x / x∉ A∧ x ∈ U}

{x / x∈ A and x ∉ U}

A-U

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For any set X, X∪X is

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X

X'

Φ

Universal Set

The set { {a, b} } is

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Infinite set

Singleton set

Two points set

Empty set

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A

A'

U

None of these

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ECAT Pre General Science Mathematics Chapter 2 Set, Functions and Groups Online Test MCQs With Answers

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