SETS R.S AGRAWAL

A well-defined collection of objects is called a ____.

• set

• group

• array

• list

In the roster form, the order in which elements are listed is ____.

• immaterial

• important

• fixed

• alphabetical

The set of all natural numbers is denoted by ____.

• N

• Z

• Q

• R

The set of all integers is denoted by ____.

• Z

• I

• N

• Q

The set of all rational numbers is denoted by ____.

• Q

• R

• Z

• N

The set of all real numbers is denoted by ____.

• R

• Q

• Z

• N

A set is said to be ____ if it contains no element.

• empty/null/void

• full

• partial

• infinite

A set containing exactly one element is called a ____ set.

• singleton

• empty

• finite

• infinite

An empty set or a set in which the process of counting elements comes to an end is called a ____ set.

• finite

• infinite

• countable

• uncountable

A set which is not finite is called an ____ set.