120 liters of a mixture contains milk and water in the ratio 4:2. If 10 liters of this mixture be replaced by 10 liters of milk, the ratio of milk to water in the new mixture would be? Choose the correct option
A) 8:6  B) 9:3  C) 9:4  D) 9:6  E) 8:2
Quantity of milk in 120 liters if mix = 120*4/6= 
<gadget id="calculator">120*4/6</gadget>
<output>80</output>
80 liters   Quantity of milk in 130 liters of new mix= 80+10= 
<gadget id="calculator">80+10</gadget>
<output>90</output>
90liters   Quantity of water in it= 130-90= 
<gadget id="calculator">130-90</gadget>
<output>40</output>
40 liters   Ratio of milk and water in new mix= 90:40 = 9:4   Answer is 9:4
<result>C</result>
120 liters of a mixture contains milk and water in the ratio 4:2. If 10 liters of this mixture be replaced by 10 liters of milk, the ratio of milk to water in the new mixture would be?