Every point on a number line represents:
A unique real number
Explanation for the correct options:
Number line:
A number line is a pictorial representation of numbers on a straight line. It’s a reference for comparing and ordering numbers. It can be used to represent any real number that includes every whole number and natural number. Just to recollect, the whole number is a set of numbers that include all counting numbers (1, 2, 3,4,5,6 …….) and zero (0), whereas the natural number is the set of all counting numbers i.e. 1, 2, 3, 4, 5, 6……..
Number lines represent real numbers i.e. natural numbers, whole numbers, integers, rational numbers, and irrational numbers, and are used as a reference for comparing and ordering numbers.
Every point on a number line represents a unique number.
Hence, option (A) A unique real number.