Discussion
For the same sample, the moisture content on a dry basis is
Answer: B
Correct answer: 16.3 per cent
The sample is 250 g holding 35 g of water, so the dry matter is
\[ 250 - 35 = 215\ \mathrm{g} \]
On the dry basis the denominator is that dry matter alone:
\[ M_{db} = \frac{35}{215} \times 100 = 16.28\% \approx 16.3\% \]
Compare the wet basis figure of \( 35/250 = 14.0\% \) for the same sample. The dry basis value is always the larger of the two, because its denominator excludes the water. The conversion is \( M_{db} = M_{wb}/(1 - M_{wb}) \), which confirms \( 0.14/0.86 = 0.163 \).
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