NIMCET 2019 Question Paper with solutions

Question : 60 of 120

Marks: +1, -0

Fresh grapes contains 90% by weight while dried grapes contain 20% water by weight. What is the weight of dry grapes available from 20 kg of fresh grapes ?

2.5 kg
2.4 kg
2 kg
10 kg

Validate

Solution:

Total quantity of grapes = 20 kg
According to the question,
∴ Total quantity of dry grapes

=20×(100-90)/100×100/(100-20)

=20×10/100×100/80=2.5

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