Five pumpkins are weighed two at a time in all ten sets of two. The weights are recorded as 16, 18,19, 20, 21, 22, 23, 24, 26, and 27 pounds. All individual weights are also integers.
How much does each pumpkin weigh?
(In reply to
In your list, you claim BC is lighter than AD. That is not always true. The only pairings which can always be identified are AB, AC, CE and DE.