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

Showing 10 of 50 questions

1. If in a certain code, APPLE is written as CQRRN, how is ORANGE written?

  • QTCPII
  • QTCQIG
  • QTCPIH
  • QUBOHF
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2. In a code language, CAT is written as DBU. How is DOG written?

  • EPH
  • EOH
  • DPH
  • EOG
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3. If PENCIL → QFODJM, then ERASER → ?

  • FSBTFS
  • FSBTES
  • FSBTDR
  • FSBTER
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4. In a code language, FIRE is coded as GJSF. How is WATER coded?

  • XBUFQ
  • XBUFU
  • XBUFV
  • XAVFS
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5. In a certain code, 12 is written as 56, 23 as 69. How is 34 coded?

  • 78
  • 80
  • 89
  • 76
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6. If MANGO → NBOHP, how is LEMON coded?

  • MFNPO
  • MFNQP
  • MFNQO
  • MFNNO
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7. If BOOK → CPPK, how is PAPER written?

  • QBQFS
  • QBPFS
  • QBQFR
  • QBPFR
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8. In a code language, FRIEND → GSKFOE, then SCHOOL → ?

  • TDIPPM
  • TDIPQN
  • TDIPOL
  • TDIPNM
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9. If BLUE → CMVF, how is PINK written?

  • QJOL
  • QJOLM
  • QJOM
  • QJNK
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10. If in a code language, TRAIN → USCBM, then PLANE → ?

  • QMBOF
  • QMBOF
  • QLBOF
  • QMBOG
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