In a mixture of 60 liters, the ratio of milk and water is

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In a mixture of 60 liters, the ratio of milk and water is 2 : 1. If the ratio of the milk and water is to be 1 : 2, then the amount of water to be further added is —

1. 20 litres
2. 30 litres
3. 40 litres
4. 60 litres

Correct Option: D

Here , mixture of 60 litres, the ratio of milk and water is 2 : 1.

Required answer = 60		200	-	100		= 60 litres.
		3		3

		100	-	200
				3

Hence , The amount of water to be further added is 60 ml .