| (i) \[\sqrt{2}\times \sqrt{8}\] |
| (ii) \[\frac{22}{7}\] |
| (iii) \[2\sqrt{3}\] |
| (iv) \[\pi \] |
A) (i) and (ii) only
B) (i) and (iii) only
C) (ii) and (iv) only
D) (iii) and (iv) only
Correct Answer: A
Solution :
\[\sqrt{2}\times \sqrt{8}=\sqrt{2\times 8}=\sqrt{16}=4\] is a rational number. \[\frac{22}{7}\] is in the form of \[\frac{p}{q}\] where p and q are integers and \[q\ne o\]. Therefore \[\sqrt{2}\times \sqrt{8}\] and \[\frac{22}{7}\] are rational numbers.
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