Question

In how many ways can 5 rings of different type can be put in 4 fingers?

Answer 1

Number of ways in which this can be done when repetition is allowed:

One ring can be worn in any of the 4 fingers so there are 4 ways to put one ring.

Now, There are 5 such rings so Total number of ways is:

$=4\ast 4\ast 4\ast 4\ast 4=4^5=1024$