I suggest you get photo math
Answer:
There are 12 floors in a hospital.
Step-by-step explanation:\
Each floor has 64 beds, but the hospital has totally 768 beds
So,
(floors)
In the first digit, there are 6 possibilities. In the second, there are 5, because you can't use the digit you used before. In the third, there are 4, and in the fourth, there are 3. So,
6*5*4*3=360
There are 360 different possible four-digit numbers