MCQ
$3.\overline{27}$ is:
- AAn integer.
- ✓A rational number.
- CA natural number.
- DAn irrational number.
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Assertion (A)
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Reason (R)
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The number of coins of $1.75\ cm$ in diameter and $2\ mm$ thick from a melted cuboid $(10\ cm \times 5.5\ cm \times 3.5\ cm)$ is $400.$
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Volume of a cylinder of base radius $r$ and height $h$ is given by $\text{V}=(\pi\text{r}^2\text{h})$ cubic units. And volume of a cuboid $= (l \times b \times h)$ cubic units.
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