Observe the faces of the dice and then answer the question.Which number is on the face opposite to 4?

As per the given pattern in question figure , we can find the similar next position of given dice .
The numbers 1, 2, 4 and 6 are on the adjacent faces of number 5.
Therefore, number 3 will lie opposite 5.
The numbers 2, 5 and 6 are on the adjacent faces of number 1.
Therefore, 4 lies opposite 1.