Pairs of consecutive even positive integers, both of which are larger than 7 such that their sum is less than 28, are
(8, 10), (10, 12)
(8, 10), (10, 12), (12, 14), (14, 16)
(8, 9), (9, 10), (10, 11)
(8, 10), (10, 12), (12, 14)
Find all pairs of consecutive even positive integers,both of which are larger than 5,such that their sum is less than 23.
Pairs of consecutive odd positive integers, both of which are larger than 10 such that their sum is less than 40, are