Six pairs
There are 42 days in six weeks.
A cube has six pairs of intersecting line segments. These six pairs will total 72 lines in a cube.
Six of them.
six
There are many pairs. An easy pair to remember is 1 and 42.
A regular dodecagon has six pairs of parallel lines.
He kept six pairs of every type of Jordans.
All insects have three pairs of legs.
42
six.
How many different outfits are possible from six shirts, four pairs of pants, and five pairs of socks?