A) 20%
B) \[16\frac{2}{3}%\]
C) \[33\frac{1}{3}%\]
D) \[18%\]
Correct Answer: B
Solution :
Required answer\[=\left( \frac{20\times 100}{100+20} \right)%\] \[=\left( \frac{20}{120}\times 100 \right)%=\frac{50}{3}%=16\frac{2}{3}%\]
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