Question

How many $3$-digit numbers can be formed with the digits $1,2,3,4,5$ such that each digit can be used any number of times

• A. $5^3$
• B. $3^5$
• C. $3^3$
• D. $5^5$

Answer 1

The correct option is A $5^3$

All the $3$ places can be filled with any of the $5$ digits given
So total number of numbers formed $=5^3$