There are two rows of numbers in each question. The upper row is complete and in the lower row one number is missing. Find a suitable number to fill the blank space so that the symmetry with the upper row is maintained.
The table can be read row-wise. The first number when multiplied with third number, and then doubled, gives the second number, i.e.
12*14*2= 336
Similarly for the second row, 15*16*2= 480 - Option B
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