Common Information
There are two rows of numbers in each question. The upper row is complete and in the lower one number is missing. Find a suitable number to fill the blank space so that the symmetry with the upper row is maintained.
Q. 
Common Information Question: 2/2 Table below can be scrolled horizontally

✖ A.  125 
✖ B.  220 
✖ C.  450 
✔ D.  480 
Solution:
Option(D) is correct
From the first row, $12 \times 14 \times 2 = 336$
From the second row, $15 \times 16 \times 2 = 480$
Hence, option D is the correct choice.