Question:
Which of the following is a true statment?
(a) $\pi$ and $\frac{22}{7}$ are both rationals
(b) $\pi$ and $\frac{22}{7}$ are both irrationals
(c) $\pi$ is rational and $\frac{22}{7}$ is irrational
(d) $\pi$ is irrational and $\frac{22}{7}$ is rational
Solution:
(d) $\pi$ is irrational and $\frac{22}{7}$ is rational.
Because the value of $\pi$ is neither repeating nor terminating, it is an irrational number. $\frac{22}{7}$, on the other hand, is of the form $\frac{p}{q}$, so it is a rational number.
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