3. Coding-Decoding
In a certain code language, the word 'ROSE' is written as 'ILHV'. How is the word 'MIND' written in that code language?
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In a certain code language, the word 'ROSE' is written as 'ILHV'. How is the word 'MIND' written in that code language?
Interactive Visual Explanation
Step 1 of 3Analyze the Code Pattern
Observe the letters of the source word 'ROSE' and its coded counterpart 'ILHV'. Look at their position numbers in the standard alphabetical order (A=1, B=2, ..., Z=26):
- R (18) ⇄ I (9)
- O (15) ⇄ L (12)
- S (19) ⇄ H (8)
- E (5) ⇄ V (22)
Identify the Rule
The letters are paired as 'Opposite Alphabetical Pairs' (or 'Reverse Pairs') because the sum of their index values is always 27.
Decode the Word 'MIND'
Apply the exact reverse letter rule to 'MIND':
- M (13) ⇄ 27 - 13 = 14 (N)
- I (9) ⇄ 27 - 9 = 18 (R)
- N (14) ⇄ 27 - 14 = 13 (M)
- D (4) ⇄ 27 - 4 = 23 (W)
CGL Exam Speed Trick
⚡ CGL Speed Trick: Look at the first and last letters: M and D. Their opposites are N and W. Check the options: only option C starts with 'N' and ends with 'W'! You don't even have to solve the middle letters. You've answered it in 3 seconds!
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