you have a 5 quart container and a 8 quart container and an unlimited supply water. How do you measure precisely 7 quarts? Solution Step1: Empty both the jars Step2: Fill 5 Quart Jar Step3: Pour this water into 8 Quart Jar Now 5 Quart Jar is empty and 8 Quart Jar has 5 Quarts of water Step4: Fill 5Quart Jar Step5: Pour 3Quarts of water into 8Quart Jar Now 5Quart Jar has 2Quarts remaining and 8 Quarts Jar has 8Quarts of water Step6: Empty 8Quarts Jar Step7: Pour Remaining 2Quarts of water in 5 Quarts jar into 8Quarts Jar Now 5 Quarts jar is empty and 8 Quarts jar has 2 quarts of water Step8: Fill 5Quarts Jar Step9: Pour all 5Quarts of water from 5Quart jar into 8Quarts Jar Now 5 Quarts jar is empty and 8 Quarts jar will have 7 Quarts of water .