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Q45 (CISF/2018) Miscellaneous & General Knowledge › Important Days, Places & Events

Find the odd one out of the following items :

EF22, JK42, GH24, VW90, IJ38

Result
Your answer: —  ·  Correct: B

Explanation

The pattern followed in the given items is that the number associated with the letters is equal to twice the sum of their numerical positions in the English alphabet (where A=1, B=2, ..., Z=26).

  • EF22: (E=5, F=6) → (5 + 6) × 2 = 11 × 2 = 22
  • JK42: (J=10, K=11) → (10 + 11) × 2 = 21 × 2 = 42
  • VW90: (V=22, W=23) → (22 + 23) × 2 = 45 × 2 = 90
  • IJ38: (I=9, J=10) → (9 + 10) × 2 = 19 × 2 = 38
  • GH24: (G=7, H=8) → (7 + 8) × 2 = 15 × 2 = 30

For the item GH24, the result should be 30 according to the pattern. Since the given value is 24, it is the odd one out.

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