Three different positions of the same dice are shown. Find the number on the face opposite the face showing '5'.

6

Step 1) In figure Ist and IIIrd,  5  is common

Step 2) The number ‘5’ 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)  5     3     4

              5     1      2

Step 4)   3  is opposite to 1

               4  is  opposite  to 2

therefore ,

              5  will  be  opposite  to  6