UPSC Prelims 2018·CSAT·Logical Reasoning·Coding Decoding

If LSJXVC is the code for MUMBAI, the code for DELHI is

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Last updated 23 May 2026, 3:31 pm IST
  1. ACCIDDCorrect
  2. BCDKGH
  3. CCCJFG
  4. DCCIFE

Explanation

The pattern for MUMBAI to LSJXVC is a decreasing subtraction from the alphabetical position of each letter: M (13) - 1 = L (12) U (21) - 2 = S (19) M (13) - 3 = J (10) B (2) - 4 = X (24) (counting backward from B: A, Z, Y, X) A (1) - 5 = V (22) (counting backward from A: Z, Y, X, W, V) I (9) - 6 = C (3) Applying this same pattern to DELHI: D (4) - 1 = C (3) E (5) - 2 = C (3) L (12) - 3 = I (9) H (8) - 4 = D (4) I (9) - 5 = D (4) Therefore, the code for DELHI is CCIDD. Analyzing the options: A) CCIDD - This matches our derived code. B) CDKGH - Incorrect. C) CCJFG - Incorrect. D) CCIFE - Incorrect. The final answer is A.
Logical Reasoning: If LSJXVC is the code for MUMBAI, the code for DELHI is

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