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Question

Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight. What is the weight of dry grapes available from 20 kg of fresh grapes?
  1. 2 kg
  2. 2.4 kg
  3. 2.5 kg
  4. 2.6 kg

A
2.4 kg
B
2.6 kg
C
2 kg
D
2.5 kg
Solution
Verified by Toppr

The correct option is C 2.5 kg
Weight of non water in 20 kg of fresh grapes
=10100×20=2 Kg
Let there be x kg dry fruit
which contain 80% non water
i.e.
2=80100×x
x=2.5 kg.

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