In how many ways 4 women draw water from 4 taps, if no tap remains unused?

In how many ways can 4 women draw water from 4 taps, if no tap remains unused?

In how many ways can 6 women draw water from 6 wells, if no well remains unused?

In how many ways can 5 persons draw water from 5 taps, assuming no tap remains unused ?

In how many ways can 5 ladies draw water from 5 taps, assuming that no tap remains unused?

Tap water is

Water falls from a tap, down the streamline

Water falls from a tap, down the streamline

Out of 7 men and 6 women, in how many ways can we select a team of 4 such that the women are always in majority.