Question

Which option correctly identifies a constant and a variable?

विकल्प

• Constant: x; Variable: 7

• Constant: 5; Variable: y

• Constant: 3m ; Variable: 12

• Constant: x + 2; Variable: 9

Answer 1

Constant: 5; Variable: y

Explanation:

A constant is a fixed number (no letter), while a variable is a letter representing an unknown value.