A) (100/11)%
B) 50%
C) 10%
D) (200/11)%
Correct Answer: D
Solution :
[d] According to the question, Answer he found \[=0.45=\frac{45}{100}=\frac{9}{20}\] \[\therefore \] Required error percentage \[=\frac{\frac{11}{20}-\frac{9}{20}}{\frac{11}{20}}\times 100=\frac{\frac{2}{20}}{\frac{11}{20}}\times 100\] \[=\frac{2}{11}\times 100=\frac{200}{11}%\] |
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