state gov MP Excise Constable Mock Test Series 2025 Quantitative Aptitude Number System Rational or Irrational Numbers
Which of the following is irrational?
1
\( (\sqrt{512}-\sqrt{648}) \times \sqrt{8} \)
2
\(\sqrt{0.0064}-\sqrt{0.0008}\)
3
\(\sqrt{23 \times 45-194}\)
4
\((2+\sqrt{32}) \times(2-\sqrt{16 \sqrt{2}})\)