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

2

Step 1) In figure Ist  and IIIrd  6  is common

Step 2) The number ‘6’ 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)  6     5     3

              6     2     1

Step 4)   2  will  be  opposite  to 5