A) \[\frac{5}{6}\]
B) \[\frac{6}{5}\]
C) \[\frac{1}{4}\]
D) \[\frac{4}{1}\]
Correct Answer: A
Solution :
\[\frac{{{W}_{urea}}}{{{W}_{water}}}=\frac{0.2\times 60}{0.8\times 18}=\frac{5}{6}\]
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