'Pair' in the Bible

Then Naaman said, "If not, then please let a load of soil on a pair of mules be given to your servants, for your servant will never again bring a burnt offering and sacrifice to other gods, [but] only to Yahweh.

He said to Bidkar his third [servant], "Lift [him] out and throw him on the plot of the field of Naboth the Jezreelite, for remember, you and I [were] with the pair [of chariots] behind Ahab his father when Yahweh pronounced this oracle against him: