Four liters of water is to be measured, but to measure it 3 liter and 5 liter bottles are available. How to do it?

Asked by BIPLAV BIJOY GOSWAMI | 27th Mar, 2013, 10:21: AM

Expert Answer:

Fill the 5-liter bottle. Then fill the 3-liter bottle from the 5-liter bottle. You will now have 2 liters left in the 5 liter bottle.

Empty the 3-liter bottle, and then transfer the 2 liters from the 5-liter bottle into it.

Now fill the 5-liter bottle again, then pour water carefully from the 5-liter bottle into the 3-liter bottle until it is full - exactly one more liter. 

The 5-liter bottle now has exactly 4 liters.

Answered by  | 28th Mar, 2013, 07:14: AM

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