How do you get exactly 4 litres of water given a 3 litre and a 5 litre bucket?



Q - How do you get exactly 4 litres of water given a 3 litre and a 5 litre bucket? You can empty and fill the buckets with water as many times as you want. The only thing you can't do is fill water half way or by some proportion. What are the steps?


There are two ways to get 4 litres in the 5 litre bucket.


Try to answer this question by yourself before seeing the solution below.






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