Q46
How much pure wine is left in the cask immediately after the first 3 operations?
Correct Option: C
Detailed Solution
Formula for repeated replacement: Final Quantity = Initial * (1 - Draw/Total)^n. After 3 operations: Final Wine = 80 * (1 - 8/80)^3 = 80 * (9/10)^3 = 80 * (0.729) = 58.32 liters.
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