Fresh grapes contain 80% water, while dry grapes contain 10% water. If the weight of dry grapes is 500 kg, then what is its total weight when it is fresh?

2350 kg
2085 kg
2555 kg
2250 kg

Correct Answer: 2250 kg

Explanation:

Let the weight of fresh grapes be W.
Quantity of water in it = (80/100) x W = 4W/5
Quantity of pulp in it = W - (4W/5) = W/5
Quantity of water in 500 gm dry grapes
= (10/100) x 500 = 50 kg
∴ Quantity of pulp in it = (500 -50) = 450 kg
W/5 = 450
∴ W = 2250 kg

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