Question:
Fresh grapes contain 90% water while dry grapes contain 20% water. What is the weight of dry grapes obtained from 20 kg fresh grapes?
Fresh grapes contain 90% water while dry grapes contain 20% water. What is the weight of dry grapes obtained from 20 kg fresh grapes?
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In water-content problems, solid weight remains constant during drying.
Updated On: Aug 6, 2025
- 2 kg
- 2.5 kg
- 2.4 kg
- None of these
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The Correct Option is B
Solution and Explanation
Fresh grapes: water 90% $\Rightarrow$ solid = 10% of 20 = 2 kg.
Dry grapes: water 20% $\Rightarrow$ solids = 80%.
Weight of dry grapes = $\frac{2}{0.8} = 2.5$ kg.
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