Two positions of a dice are given. Which number would be at the top when bottom is 2?

On the basis of question figure pattern ,
The numbers 1, 2, 5 and 6 are on the adjacent faces of number 3.
Therefore, the number 4 lies opposite 3.
The numbers 3, 4 and 6 cannot be on the faces opposite to 1.
Therefore, 5 lies opposite 1.
Now, 2 lies opposite 6.