A) Rs. 15%
B) Rs. 18%
C) Rs. 20%
D) Rs. 25%
Correct Answer: D
Solution :
[d] Error in measurement \[=10080=20\,\,cm\] \[\therefore \] \[%\,\,gain=\left( \frac{Error}{True\,\,value-Error}\times 100 \right)%\] \[\,%\,\,gain=\left( \frac{20}{100-20} \right)\times 100%\] \[=\frac{20\times 100}{80}%\] = 25%You need to login to perform this action.
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