In what ratio must water be mixed with milk costing Rs.12 per litre in order to get a mixture worth of
Rs.8 per litre?  Select:	A) 1 : 3	B) 2 : 2	C) 1 : 2	D) 3 : 1	E) 3 : 2
Explanation :   By the rule of alligation, we have   1 : 2ost Price of 1 litre of water 1 : 2ost Price of 1 litre of milk   0 12   Mean Price   8   12-8= 
<gadget id="calculator">12-8</gadget>
<output>4</output>
4 8-0=8   Required Ratio = 4 : 8 = 1 : 2   Answer : Option 1 : 2
<result>C</result>
In what ratio must water be mixed with milk costing Rs.12 per litre in order to get a mixture worth of
Rs.8 per litre?