How much water should be added to 11 liters of a 20%-solution of alcohol to reduce the concentration of alcohol in the solution by 75% ?	Choose the correct option
A) 25 liters
B) 29 liters
C) 30 liters
D) 32 liters
E) 35 liters
Let x ltr water to be added   2ltr alcohol to be represented as (20(1-3/4(new soln.=11+x)))   2=5%*(11+x)--------&gt;x=29   Ans 29 liters
<result>B</result>
How much water should be added to 11 liters of a 20%-solution of alcohol to reduce the concentration of alcohol in the solution by 75% ?