Question

you have a 5 liter and a 3 liter jars. you can use any amount of water. shouldnt use any other jars or containers. how can you get exact 4 liters of water?

Answer 1

Fill the 5 litre jar.

Empty the 5 litre jar into the 3 litre jar - leaving 2 litres in the 5 litre can.

Pour away the contents of the 3 litre jar.

Fill the 3 litre jar with the 2 litres from the 5 litre jar - leaving 2 litres in the 3 litre jar.

Fill the 5 litre jar from the tap.

Fill the remaining 1 litre space in the 3 litre jar from the 5 litre can.
Leaving 4 litres in the 5 litre can.

Hope it helped buddy!!
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