Study the given pattern carefully and select the number from among the given options that can replace the question mark (?) in it.

Show answer & explanation
Correct answer: C
Explanation
The pattern followed here is:
Column 1: 24 x 6 = 144 = 12 x 12.
Column 2: 36 x 3 = 108 = 2 x 54
Column 3: 32 x 18 = 576 = 24 x 24
Hence, 18 is the correct answer.