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From a cask of wine, containing 64 liters, 8 liters are drawn out and the cask is filled up with water. If the same process is repeated a second, then a third time, what will be the number of liters of wine left in the cask ?
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42 1 kg 8 -
42 3 kg 8 -
48 7 kg 8 -
42 7 kg 8
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Correct Option: D
Here , b = 8 litres , M = 64 litres and n = 3 times
As we know that ,
| Required answer = |  | 1 - |  | 3 | × M | M |
| Required answer = | | 1 - | | 3 | × 64 | 64 |
| Required answer = | | | 3 | × 64 | 8 |
| Hence , Required answer = 42 | kg | 8 |
