[" serve for all the pusswowne post-offices.In how many different ways con the pors "],[" at by registered post? "]

There are four parcels and five post-offices.In how many different ways can the parcels be sent by registered post?

There are four parcels and five post-offices. In how many different ways can the parcels be sent by registered post?

There are 4 parcels and 5 post offices. In how many ways can 4 parcels be got registered?

In how many ways can one post 3 letters in 5 post boxes?

In how many ways can 5 letters be posted into 7 letter boxes?

In how many ways 5 letters can be posted in 4 post boxes.

There are 6 candidates for 3 posts. In how many ways can the posts be filled?

In how many ways can 4 letters be posted in 3 letter boxes?