100 liters of a mixture contains milk and water in the ratio 4:1. 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? Select the correct option:
A) 7:5
B) 9:2
C) 6:1
D) 5:4
E) 11:4
Quantity of milk in 100 liters if mix = 100*4/5= 
<gadget id="calculator">100*4/5</gadget>
<output>80</output>
80 liters   Quantity of milk in 110 liters of new mix= 80+10= 
<gadget id="calculator">80+10</gadget>
<output>90</output>
90liters   Quantity of water in it= 110-90= 
<gadget id="calculator">110-90</gadget>
<output>20</output>
20 liters   Ratio of milk and water in new mix= 90:20 = 9:2   Answer is 9:2
<result>B</result>
100 liters of a mixture contains milk and water in the ratio 4:1. 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?