Answer : To find: number of ways in which 5 ladies draw water from 5 taps. Condition: no tap remains unused
The condition given is that no well should remain unused. So possible number of ways are: 5 × 4 × 3 × 2 × 1=120.
In How many ways can 5 ladies draw water from 5 taps, assuming the no tap remains unused?
In How many ways can 5 ladies draw water from 5 taps, assuming the no tap remains unused?