Question

Using the four digits 9, 4, 8 and 5 we need to make different 4-digit numbers in such a way that
the digits are not repeated. We get the following arrangement of different 4-digit numbers,​

Answer 1

Answer:

24

Step-by-step explanation:

since the numbers are not repeated therefore the ways to fill ones place are 4 and the number of ways to fill tense place are 3 and the number of ways to fill hundreds place are 2 and to find the number of ways to fill thousands place are 1.

now multiplying 1×2×3×4=24