Question

Find the number of 5 digit numbers that can be formed using the digits 0,1,2,3,4,5 if each digit can be repeated any number of times?

Answer 1

Answer:

600

Step-by-step explanation:

First place can be filled by 5 digits 1/2/3/4/5 and not 0

Second place can be filled by 5 digits including 0

Then next spots can be filled by 4, 3, 2, 1 digits respectively

So the required no. = 5×5×4×3×2×1 = 600