1 Answers

Option 3 : O

The logic here is as follows,

Considering the place value of letters as per English alphabetical series,

FD → 62 - 42 = 36 - 16 = 20

The alphabet whose place value is 20 is T.

Similarly,

DA → 42 - 12 = 16 - 1 = 15

The alphabet whose place value is 15 is O.

Hence, “O” is the correct answer.
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