How many 4 digit numbers are greater then 7538 can be made using the digits, 0,3,5,7,8,9 without repetition?

Answer 1

well, just start listing them:

7539 -> 1
78.. -> 4P2
79.. -> 4P2
8... -> 4P3
9... -> 4P3

now add 'em up.

Answer 2

So the answer would be 73?

Answer 3

works for me.