A) \[8\frac{1}{3}%\]
B) \[6\frac{2}{3}%\]
C) \[10\frac{1}{3}%\]
D) \[9\frac{2}{3}%\]
Correct Answer: A
Solution :
\[\frac{1200\times R\times 3}{100}-\frac{1000\times R\times 3}{100}=50\] or \[6R=50\] or \[R=8\frac{1}{3}%\]You need to login to perform this action.
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