Question

there are 5 students in a bench then the no of students in n benches is 5 *n . here n is variable​

Answer 1

the total number of students are n

Answer 2

"There are 5 students in a bench then the no of students in n benches is 5 *n. Here n is variable​."

                 This statement is true.

• In mathematics, the word constant refers to fixed and well-defined number or a fixed mathematical quantity or an object.

Here, 5 is a constant as it is given that the number of students is 5 and this entity cannot be changed.

Hence, '5' is a constant.

• In mathematics, the word variable refers to a symbol or a placeholder for a quantity or an object that is not fixed.

Here, 'n' is a variable because it denotes the number of benches and it may change.

The value of 'n' is not fixed, it can be 1,2,3,4 ....

Hence, 'n' is  a variable.

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