How many 3 digit numbers can be formed using 1,2 and 3 without repeating a digit and how many of them would be even?

Question

How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 0, which are divisible by 5 and none of the digits is repeated?

Answer 1

123, 132, 213, 231, 312 & 321.
(2/6) ie 1/3 of them are even (132 & 312).