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Question

Difficulty: HardCoding and Decoding

Match each original word in List-I with its corresponding coded representation in List-II based on their underlying logical transformation rules.

  • ORBITLUERW
  • CRAFTATHHR
  • GLINTTOJMG
  • PRISMQTLWR

Answer

ORBIT matches LUERW, CRAFT matches ATHHR, GLINT matches TOJMG, and PRISM matches QTLWR.
Each item in List-I follows a unique logical rule: ORBIT uses a mixed vowel-reverse and consonant +3+3 shift to yield LUERW; CRAFT uses an alternating −2/+2-2/+2 positional index shift to yield ATHHR; GLINT applies reverse-consonant mapping with +1+1 vowel shift to yield TOJMG; and PRISM uses a progressive positional addition (+1,+2,+3,+4,+5+1, +2, +3, +4, +5) to yield QTLWR.

Step-by-Step Solution

1
Analyze the transformation for ORBIT
ORBIT becomes LUERW
Vowels are replaced with reverse alphabetical letters (O→LO \to L, I→RI \to R) and consonants are shifted +3+3 (R→UR \to U, B→EB \to E, T→WT \to W).
2
Analyze the transformation for CRAFT
CRAFT becomes ATHHR
Odd-positioned letters (1st, 3rd, 5th) shift −2-2 (C→AC \to A, A→YA \to Y, T→RT \to R) and even-positioned letters (2nd, 4th) shift +2+2 (R→TR \to T, F→HF \to H).
3
Analyze the transformation for GLINT
GLINT becomes TOJMG
Consonants are replaced by their reverse alphabetical counterparts (G→TG \to T, L→OL \to O, N→MN \to M, T→GT \to G) and vowels shift +1+1 (I→JI \to J).
4
Analyze the transformation for PRISM
PRISM becomes QTLWR
Each letter's alphabetical shift equals its 1-based position in the word: 1st1^{\text{st}} letter +1+1, 2nd2^{\text{nd}} letter +2+2, 3rd3^{\text{rd}} letter +3+3, 4th4^{\text{th}} letter +4+4, and 5th5^{\text{th}} letter +5+5.

Key Concept

Complex Pattern Transformations in Coding-Decoding
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Topics

Coding and Decoding

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