Between any two numbers, there can be an infinite number of _____.
(i) Natural numbers
(ii) Whole numbers
(iii) Integers
(iv) Rational numbers
(iv)
Between any two given numbers, we need not necessarily have an integer, whole number or natural number but there will always be a rational number. Example: Let us consider 1 and 2. Between 1 and 2, there are no natural numbers, whole numbers, integers but we can find many rational numbers like 65,87,32.