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?

पर्याय

• 2 kg

• 2.4 kg

• 2.5 kg

• 2.6 kg

Answer 1

2.5 kg

Explanation:

Weight of non-water in 20 kg of fresh grapes

`=10/100xx20=2 "Kg"`

Let there be x kg dry fruit which contains 80% non-water
i.e.

`2=80/100xx"x"`

x = 2.5 kg