A) 1.4m
B) 14m
C) 7m
D) 0.7 m
Correct Answer: A
Solution :
Volume of cylindrical tank = 9.24 KL \[=9240L=\left( \frac{9240}{1000} \right){{m}^{3}}=9.24{{m}^{3}}\] Height of tank (h) = 1.5 m Let r be the radius. Then, \[\pi {{r}^{2}}h=9.24\] \[\Rightarrow \frac{22}{7}\times {{r}^{2}}\times 1.5=9.24\] \[\Rightarrow {{r}^{2}}=1.96\Rightarrow r=1.4m\]
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