Logic and sets

1003055602

Level:

Give the set difference

A ∖ B

for

A = [- 5; 7]

B = {7; 11}

[- 5; 7)

[- 5; 11)

[- 5; 7) \cup (7; 11)

[- 5; 7) \cup {11}

1003055601

Level:

Given the sets

A = [- 12; 12]

and

B = (3; 20)

find the set difference

A ∖ B

[- 12; 3]

(- 12; 3]

[- 12; 3)

(12; 20)

1103055714

Level:

In the diagram below yellow colour represents

the difference of sets

A

and

B

the intersection of sets

A

and

B

the difference of sets

B

and

A

the union of sets

A

and

B

1003055713

Level:

Choose the correct expression.

{d} \cup {d} \cup {d} = {d}

{d} \cup {d} \cup {d} = {d d d}

{d} \cup {d} \cup {d} = {d; d}

{d} \cup {d} \cup {d} = {d; d; d}

1003055712

Level:

The set

A

is the set of all divisors of

12

, the set

B

is the set of all divisors of

6

. Which relation is correct?

B \subset A

A \subset B

A = B

A \cup B = {1; 2; 3; 6; 12}

1003055711

Level:

Determine the set of all common divisors of numbers

24

and

18

{1; 2; 3; 6}

{1; 2; 3; 4; 6; 8; 9; 12; 18; 24}

{2; 3; 6}

{1; 2; 3; 4; 6; 9; 12}

1003055710

Level:

Give the difference of sets

A

and

B

A = {4; 5; 6}

and

B = {5; 6; 7}

{4}

{7}

{4; 5; 6; 7}

[4; 5]

1003055709

Level:

Give the intersection

A \cap B

A = {1; 3; 5; 7; 9}

and

B = {0; 3; 6; 9}

{3; 9}

{0; 1; 3; 5; 6; 7; 9}

{1; 5; 7}

{0; 6}

1003055708

Level:

Let

A = {a; b; c; d; e; f}

B = {a; g; b; h; i}

. Determine the intersection

A \cap B

{a; b}

{a; b; c; d; e; f; g; h; i}

{g; h; i}

{c; d; e; f}

1003055707

Level:

Let

A = {a; b; c; d; e; f}

B = {a; k; b; l}

. Find the union

A \cup B

{a; b; c; d; e; f; k; l}

{a; b}

{c; d; e; f}

{k; l}

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