A two-digit number is formed randomly from the digits 0, 2, 4 and 5 without repetitions. What is the probability that the two-digit number is divisible by 6?

• 用0、2、4和5这四个数字随意组成一个两位数，而每个数字只许使用一次。问这个两位数可被6整除的概率是多少？