A) Rs. 5.94
B) Rs. 6.94
C) Rs. 7.95
D) Rs. 7.59
Correct Answer: A
Solution :
\[V=33264\,c{{m}^{3}}\](Since \[1000\,c{{m}^{3}}=1\]litre.) \[\frac{1}{3}\pi {{r}^{2}}h=33264\Rightarrow r=21\,cm\] \[\therefore \]\[l=\sqrt{{{h}^{2}}+{{r}^{2}}}=75\,cm\] \[C.S.A=\pi rl=\frac{22}{7}\times 21\times 75\,c{{m}^{2}}\] \[1\,sq.m\,=10000\,c{{m}^{2}}\] \[\therefore \]\[\operatorname{cost}=\frac{12\times 22\times 21\times 75}{7\times 10000}=\]` 5.94
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