116. Measure 4 Litres of Oil There is an 8 litres container containing oil. There are 2 empty containers of 3 litres & 5 litres capacity. Using these containers, how will you measure exactly 4 litres of oil? Added 26 May 2011 Show Hint Show Solution Hint: Think about how you can use the containers to transfer oil between them to achieve the desired measurement. Solution: 1. Fill the 5-litre container from the 8-litre container.2. Pour oil from the 5-litre container into the 3-litre container until the 3-litre container is full. This leaves you with 2 litres in the 5-litre container.3. Empty the 3-litre container.4. Pour the remaining 2 litres from the 5-litre container into the 3-litre container.5. Fill the 5-litre container again from the 8-litre container.6. Pour from the 5-litre container into the 3-litre container until the 3-litre container is full. Since it already has 2 litres, you can only add 1 more litre.7. This leaves you with exactly 4 litres in the 5-litre container.
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