Question

Nandini has to place 5 different books in 4
different shelves. In how many ways can
she place these books such that each
shelf has at least one book?​

Answer 1

Answer:

15504

Step-by-step explanation:

15504 is the number of ways

Step-by-step explanation:

This is a question of combinations.

Here, no. of books is 20 and number of shelves is 5, so that gives the number of combinations to us as