Question

Between two rational numbers, there exists-

• A. No rational number
• B. Only one rational number
• C. Infinite numbers of rational numbers
• D. No irrational number

Answer 1

The correct option is C Infinite numbers of rational numbers

Between two rational numbers there are infinitely many rational number for example between $4$ and $5$ there are $4.1,4.2,.4.22,4.223.....$
Hence, $\left(C\right)$ is the correct answer.