MCQ
Which of the following is a rational number:
- A$\sqrt{180}$
- B$\sqrt{31}$
- ✓$\sqrt{196}$
- D$0.323223222322223$
✓
Answer
Correct option: C.
$\sqrt{196}$
Because it is the square of $14$ and can be written in the form of $\frac{\text{p}}{\text{q}}.$
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