Four different positions of the same dice are shown, the six faces of which are numbered from 1 to 6. Select the number that will be on the face opposite to the face having the number 5'.

6

Step 1) In figure 1  and 4

Step 2) Compare both the figure and we find out 1 and 4 both are common

Step 3)  Therefore 5 is the number which will be opposite to 6