Question
Which of the following is rational?

Answer

d. $\frac{0}{4}$
Solution:
  1. $\sqrt{3}=1.732 \ ...=$ Non-terminating and non-repeating number, hence irrational
  1. $\pi=3.14 \ ...$ also can not be terminated to $\frac{\text{p}}{\text{q}}$ form, and is non-terminating and non-repeating in nature. Hence, irrational.
  1. $\frac{4}{0}$ is not a rational number because this is in the form $\frac{\text{p}}{\text{q}}$ where p and q are integers but q = 0
  1. $\frac{0}{4}$ follows the defination of rational number.

    Hence, correct option is (d).

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