Question

The number of ways in which 7 different books can be given to 5 students if each can receive none, one or more than one books is

• A. $5^7$
• B. $7^5$
• C. ${}^{11}{C}_5$
• D. 121

Answer 1

The correct option is A $5^7$

$1^{st}$ book can be given to any of five students, hence total number of ways is =$5^7$.