\Quantity II: Final Quantity = 63 (1-9/63) (1-7/63) = 63 × 6/7 × 8/9 = 48 litre Water = 63 - 48 = 15 litre. Hence, Quantity I = Quantity II
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If 40% of 70 is x% more than 30% of 80, then find 'x'.
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