Question

A variable is to represent an unknown quantity in an expression.

• A. an operator
• B. a number
• C. a symbol

Answer 1

The correct option is C a symbol

A variable is a symbol representing a quantity whose value is unknown. Generally, we use a single letter to represent a variable.
Suppose there are students in a classroom. Here, we don't know the actual count of the number of students. So, we will represent the total number of students by x, which is a variable.