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In a certain code, 'TABLE' is coded as '20-1-2-12-5'. Using the same rule, how is 'CHAIR' coded?

Competition practiceCoding-Decoding
  • A3-8-1-9-17
  • B4-8-1-9-18
  • C3-9-1-8-18
  • D3-8-1-9-18

Step-by-Step Solution

Each letter is replaced by its position in the alphabet (T=20, A=1, B=2, L=12, E=5). For CHAIR: C=3, H=8, A=1, I=9, R=18 → 3-8-1-9-18.
Answer: D) 3-8-1-9-18

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