Question

Suppose you roll a red number cube and a blue number cube. how many different rolls will have a sum of seven?

Answer 1

5 on red and 2 on the blue  - 1 way
2 on red and 5 on blue - 1 way

In a similar way you will have 2 of combination 3 and 4
and 2 of combination 1 and 6

Total 6