A) 1%
B) 2%
C) 3%
D) 4%
Correct Answer: C
Solution :
Volume of cylinder \[V=\pi {{r}^{2}}l\] Percentage error in volume \[\frac{\Delta V}{V}\times 100=\frac{2\Delta r}{r}\times 100+\frac{\Delta l}{l}\times 100\] \[=\left( 2\times \frac{0.01}{2.0}\times 100+\frac{0.1}{5.0}\times 100 \right)\] \[=(1+2)%\] =\[3%\]
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