It must end with a zero, since that's the only even digit.
130, 310
236789
18 of them.
Each of the 3 digits in a number can be any one of the four allowed.Total number of possibilities = (4 x 4 x 4) = 64numbers.
396510
501396
236789
18 of them.
501396
256
Assuming each of the given digits can be used only once, the answer is 24. If not, the answer is infinity.
Each of the 3 digits in a number can be any one of the four allowed.Total number of possibilities = (4 x 4 x 4) = 64numbers.
75431
3
501396
396510
103596
965301