The units digit of a three digit number is 6. What is the probability that the number is divisible by 6? Express your answer as a common fraction.
+37159 look for a pattern
106 divisible by 3 no
116 no
126 yes
136 no
146 no
156 yes
166 no
176 no
186 yes looks like every third one is divisible by 3 = 1/3
