Three different positions of the same non-standard dice are shown. Which letter will be on the face opposite to the face with the letter "Q"?

U

Step 1) In figure Ist  and IInd T  is common

Step 2)The number ‘T’ is common in both the dice, but it is at a different position. 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)   T      S      Q

               T      R       U

Step 4)   S  is opposite to R

               Q  is opposite to U