8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of water is 16:65. How much wine did the cask hold originally?
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Q3
Nine gallons are drawn from a cask full of wine; it is then filled with water, then nine gallons of the mixture are drawn, and the cask is again filled with water. If the quantity of wine now in the cask be to the quantity of water in it as 16 to 9, how much does the cask hold?
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Q4
A cask contains a mixture of 49litres of wine and water in the ratio 5:2. How much water must be added to it so that the ratio of wine to water is7:4?
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Q5
A merchant buys a 50 litre cask of wine for Rs. 6250 and sells it at Rs. 130 per litre. His loss or gain percent is: