Direction: In each of the following questions, three out of the four alternatives contains letters/numbers of the alphabet placed in a particular foorm. Find the one that does not belong to the group.
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NA
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- C9F
- H20L
- N31Q
- E29Y
Correct Option: D
In all other groups of words, numeric component in between the first and second letters is the sum of positions of first and last letters in the alphabet.