Two jars contain milk and water in the ratio 5: 4 and 2: 1 regpectively. What volume should be taken out from the first jar if volumes have to be taken out from both jars so as to fill up a third 30 l jar with milk to water in the ratio 1: 1 ?	Pick:
A) 7.5 l	B) 15 l	C) 22.5 l	D) It is impossible	E) none of these
In both jars concentration of milk is more than 50%.   Therefore, in jar three concentration of milk cannot be 50%.   Hence, we cannot decide the volumes   ANSWER:It is impossible
<result>D</result>
Two jars contain milk and water in the ratio 5: 4 and 2: 1 regpectively. What volume should be taken out from the first jar if volumes have to be taken out from both jars so as to fill up a third 30 l jar with milk to water in the ratio 1: 1 ?