Coding and decoding Questions and Answers

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Coding and Decoding questions are one of the most popular topics under logical reasoning questions and answers for exams like SSC, TCS NQT, and Wipro. This type of reasoning evaluates a candidate’s ability to identify logic patterns and decode hidden messages. By practicing reasoning questions for competitive exams, students develop speed and accuracy in interpreting symbol and number sequences. The Coding and Decoding questions with answers below will help you understand commonly used codes, substitutions, and pattern-based logic essential for aptitude and reasoning tests.

Coding and decoding

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11. If WORD → XPSF, then BOOK → ?

  • CPLL
  • CQQL
  • CPPK
  • CQPL
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12. In a code, 1234 → 4321, then 5678 → ?

  • 8765
  • 7856
  • 8764
  • 8756
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13. If LEAF → KDBE, how is TREE coded?

  • SQDD
  • SQDF
  • SQQD
  • SQDE
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14. If SUN → TVO, then MOON → ?

  • NPPP
  • NPPM
  • NOPP
  • NQPP
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15. If RAIN → SBJO, then SNOW → ?

  • TOPX
  • TPOX
  • TOQX
  • TPPX
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16. If 123 → 246, what is 456 → ?

  • 912
  • 812
  • 912
  • 912
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17. If DOG → GJL, then CAT → ?

  • FDX
  • FDW
  • FGV
  • FGV
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18. If ICE → JDF, then WATER → ?

  • XBUFU
  • XBUFQ
  • XBVFU
  • XBUFV
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19. If LOVE → MPWF, then HATE → ?

  • IBUF
  • IBVG
  • IBUF
  • IBVF
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20. If MORNING → NPSOJOH, then EVENING → ?

  • FWFOJOH
  • FWFOIPH
  • FWFNJOH
  • FWFOJOI
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