It has 20L mixutre conatins milk and water in the ratio 3:5,replace 4 litres of mixture with 4 litres of water what is the final ratio of milk and water.
Choose the correct choice.
A) 2:7  B) 3:7  C) 4:7  D) 5:7  E) 6:7
Full mixture has 7.5L milk 12.5L water if we fetch 4L mixture according to ratio it will be 1.5L milk &amp; 2.5L water,replace this mixture from the water then it will be 6L milk and 14L water then ratio will be 6/14=3:7.   ANSWER:3:7
<result>B</result>
It has 20L mixutre conatins milk and water in the ratio 3:5,replace 4 litres of mixture with 4 litres of water what is the final ratio of milk and water.