Login

Sign up

Start

PDF chapter test TRY NOW

Subjects
Mathematics State Board
Class 9
Set Language
Set Operations

1. Multiple choice question I

Exercise condition:

4 m.

1. If

$U = \{x | x \in \mathbb{N}, x < 10\}$ and

$A = \{x | x \in \mathbb{N}, 2 \le x < 6\}$ then

$(A')'$ is

$\{1, 6, 7, 8, 9\}$
$\{\}$
$\{2, 3, 4, 5\}$
$\{1, 2, 3, 4\}$

2. If

$B \subseteq A$ then

$n(A \cap B)$ is

$n(B - A)$
$n(B)$
$n(A)$
$n(A - B)$

3. If

$B – A$ is

$B$ , then

$A \cap B$ is

$A$
$B$
$U$
$\phi$

4. The shaded region in the adjacent diagram represents

$(A \cap B)'$
$(A \cup B)'$
$A \cap B$
$A' \cap B'$

Login or Fast registration

Previous theory

Exit to the topic

Next exercise

Send feedback

Did you find an error?

Send it to us!

Register for free to see more content

Register now

Register for free to see more content

Register now