Which of the following statements is always true ?
A
$$\dfrac{x + y}{2}$$ is a rational number between x and y
B
$$\dfrac{x \times y}{2}$$ is a rational number between x and y
C
$$\dfrac{x - y}{2}$$ is a rational number between x and y
D
$$\dfrac{x \div y}{2}$$ is a rational number between x and y
Correct option is B. $$\dfrac{x + y}{2}$$ is a rational number between x and y