Three different positions of the same dice are shown. Find the number on the face opposite the face having '3'.

1

Step 1) In figure Ist and IIIrd 1 is common

Step 2) The number ‘1’ is common in both the dice. In order to find out, the number appearing on the opposite face, rotate the dice in a clockwise direction with the common number as the reference.

Step 3)  1     5     6

              1     2     4

Step 4)   6  is opposite to 4

               5  is  opposite  to 2

Therefore ,

            1 will be opposite to  3