the rolling process in your mind. first, 2 will be facing down, 1 will still face us, 4 will be facing to the right, and 5 will be on top. remember, the opposite sides of a dice add up to 7, so if 2 is on the bottom, then 5 is on the top.
on the next roll, it will be 1 on top, 4 facing right, and 2 facing us.
on the final roll, it will be 2 facing us, 1 to the right, and 3 on top. the answer is 3.
i struggle with these, so i had to get a dice and roll it in order to check i was 