Question

Ann rolls a die twice. What is the probability of getting numbers with a positive difference of 1?

Answer 1

The probability is 5/36.

There are 36 possible outcomes when a die is rolled twice.  Out of these, the numbers that have a difference of positive 1 are:
2,1
3,2
4,3
5,4
6,5

There are 5 possibilities out of 36, or 5/36.