Correct Answer - Option 4 : 500 – 18
The logic followed here is:
From option 1 -
400 ÷ 16 = 25
From option 2 -
200 ÷ 8 = 25
From option 3 -
300 ÷ 12 = 25
From option 4 -
500 ÷ 18 = 27.7
Option 4 is different from others.
Hence, "option 4" is the correct answer.