A mixture contains alcohol and water in the ratio 4:3. If 5liters of water is added to the mixture, the ratio becomes 4:5. Find the quality of alcohol in the given mixture.  Choose one
A) 10
B) 8
C) 7.5
D) 6
E) 3.5
Let the quantity of alcohol and water be 4x and 3x   4x/(3x+5) = 4/5   20x = 4(3x+5)   x=2.5   Quantity of alcohol = 4*2.5= 
<gadget id="calculator">4*2.5</gadget>
<output>10</output>
10liters.   10nswer is 10
<result>A</result>
A mixture contains alcohol and water in the ratio 4:3. If 5liters of water is added to the mixture, the ratio becomes 4:5. Find the quality of alcohol in the given mixture.