In how many ways 6 rings of different types can be had in 4 given fingers of a hand?

In how many ways 5 rings of different types can be worn in 4 fingers?

In how many ways five different rings can be worn in four fingers with at least one ring in each finger?

In how many ways 5 different balls can be arranged into 3 different boxes so that no box remains empty?

In how many ways 10 different balls can be put in 2 difference boxes ?

In how many ways five different rings can be put on four fingers with at least one ring on each finger?

In how many ways three different rings can be worn in four fingers with at most one in each finger?

In how many ways can 5 different books be tied up in three bundles?

In how many ways can 30 different pearls be arranged to form a necklace?

In how many ways 5 different balls can be distributed into 3 boxes so that no box remains empty?

In how many ways 12 different things can be divided equally among 3 persons? Also find in how many ways can these 12 things be divided in three sets each having 4 things.