Select the odd letter/number from the given alternatives.

  1. I4G
  2. T16P
  3. Y9V
  4. D25A

Answer (Detailed Solution Below)

Option 4 : D25A
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Detailed Solution

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Alphabet

According to the positional values of the letters as per the alphabetical series,

1) I4G → I - G = 9 - 7 = 2; (2)2 = 4;

2) T16P → T - P = 20 - 16 = 4; (4)2 = 16;

3) Y9V → Y - V = 25 - 22 = 3; (3)2 = 9;

4) D25A → D - A = 4 - 1 = 3; (3)2 = 9 ≠ 25

Hence, D25A is the odd one out.
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