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Q:
A) 18 litres | B) 24 litres |
C) 32 litres | D) 42 litres |
Answer: B) 24 litres
Explanation:
Explanation:
Let the quantity of the wine in the cask originally be x litres
Then, quantity of wine left in cask after 4 operations =[x(1-8x)4]litres
∴[x(1-8x)4x] = 1681
⇒[1-8x]4=(23)4
⇒x=24