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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 426 · 40 questions
TalentJR

How to think it through (Letter by letter): Write the word above its code and compare each pair of letters. Find the rule: the same move (+1, −2 …), opposite letters (A ↔ Z, B ↔ Y), or the word reversed. Apply the same rule to the new word. After Z comes A again.

NameDateTime takenScore ___ / 40
  1. 1.If BOAT is written as YLZG, how is TOYS written in the same code? (a) FKAG (b) UPZT (c) HMCI (d) GLBH
  2. 2.If BELL is written as CFMM, how is MILK written in the same code? (a) OKNM (b) NJML (c) LMJN (d) LHKJ
  3. 3.If CAT is written as XZG, how is WIND written in the same code? (a) XJOE (b) DRMW (c) CQLV (d) ESNX
  4. 4.If JUMP is written as QNVK, how is CAT written in the same code? (a) TAC (b) UBD (c) DBU (d) SZB
  5. 5.If SUN is written as TVO, how is BELL written in the same code? (a) ADKK (b) MMFC (c) CFMM (d) DGNN
  6. 6.If SUN is written as UWP, how is BOAT written in the same code? (a) DQCV (b) ZMYR (c) CPBU (d) ERDW
  7. 7.If TOYS is written as UPZT, how is JUMP written in the same code? (a) QNVK (b) KVNQ (c) LWOR (d) ITLO
  8. 8.If DESK is written as WVHP, how is HAND written in the same code? (a) RYLV (b) TANX (c) SZMW (d) IBOE
  9. 9.If SUN is written as OVT, how is JUMP written in the same code? (a) KVNQ (b) PMUJ (c) QNVK (d) OLTI
  10. 10.If GOLD is written as HPME, how is SHIP written in the same code? (a) QJIT (b) TIJQ (c) RGHO (d) UJKR
  11. 11.If COLD is written as FNQE, how is CAKE written in the same code? (a) EKAC (b) ECMG (c) GMCE (d) CIYA
  12. 12.If BELL is written as EHOO, how is BOOK written in the same code? (a) DQQM (b) FSSO (c) YLLH (d) ERRN
  13. 13.If PEN is written as SHQ, how is JUMP written in the same code? (a) MXPS (b) GRJM (c) NYQT (d) LWOR
  14. 14.If HAND is written as CMZG, how is MOON written in the same code? (a) NOOM (b) OPPN (c) MNNL (d) LNNM
  15. 15.If BOAT is written as ERDW, how is PEN written in the same code? (a) MBK (b) TIR (c) RGP (d) SHQ
  16. 16.If PEN is written as PGR, how is LION written in the same code? (a) LMGJ (b) NOIL (c) PQKN (d) NKQP
  17. 17.If LAMP is written as ROCN, how is TOYS written in the same code? (a) QWMR (b) VQAU (c) UAQV (d) SYOT
  18. 18.If BOOK is written as CPPL, how is LION written in the same code? (a) KHNM (b) OPJM (c) MJPO (d) NKQP
  19. 19.If SUN is written as NUS, how is CAT written in the same code? (a) SZB (b) DBU (c) UBD (d) TAC
  20. 20.If COLD is written as DLOC, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) NIAR (d) MHZQ
  21. 21.If HAND is written as SZMW, how is NEST written in the same code? (a) LUGF (b) OFTU (c) NWIH (d) MVHG
  22. 22.If CAKE is written as XZPV, how is SUN written in the same code? (a) IGN (b) GEL (c) HFM (d) TVO
  23. 23.If DESK is written as JRDC, how is DOG written in the same code? (a) CNF (b) FNC (c) GOD (d) HPE
  24. 24.If BELL is written as CFMM, how is HAND written in the same code? (a) IBOE (b) JCPF (c) GZMC (d) EOBI
  25. 25.If MOON is written as OQQP, how is BELL written in the same code? (a) CFMM (b) EHOO (c) ZCJJ (d) DGNN
  26. 26.If COLD is written as XLOW, how is MILK written in the same code? (a) NJML (b) OSPQ (c) MQNO (d) NROP
  27. 27.If MILK is written as KLIM, how is CAT written in the same code? (a) DBU (b) UBD (c) TAC (d) SZB
  28. 28.If DRUM is written as MURD, how is CAT written in the same code? (a) TAC (b) UBD (c) SZB (d) DBU
  29. 29.If DOG is written as IQF, how is BELL written in the same code? (a) NNGD (b) JJCZ (c) LLEB (d) DGNN
  30. 30.If SUN is written as NUS, how is SHIP written in the same code? (a) TIJQ (b) PIHS (c) QJIT (d) OHGR
  31. 31.If CAKE is written as EKAC, how is DESK written in the same code? (a) LTFE (b) JRDC (c) KSED (d) EFTL
  32. 32.If LAMP is written as OZNK, how is WIND written in the same code? (a) XJOE (b) ESNX (c) DRMW (d) CQLV
  33. 33.If FISH is written as HSIF, how is LAMP written in the same code? (a) OLZK (b) QNBM (c) MBNQ (d) PMAL
  34. 34.If CAT is written as FDW, how is RAIN written in the same code? (a) VEMR (b) OXFK (c) TCKP (d) UDLQ
  35. 35.If BALL is written as LLAB, how is PEN written in the same code? (a) OFQ (b) NEP (c) QFO (d) MDO
  36. 36.If RAIN is written as IZRM, how is SUN written in the same code? (a) IGN (b) TVO (c) GEL (d) HFM
  37. 37.If BOOK is written as ZMMI, how is STAR written in the same code? (a) QRYP (b) PQXO (c) RSZQ (d) UVCT
  38. 38.If CAT is written as DBU, how is BELL written in the same code? (a) CFMM (b) DGNN (c) MMFC (d) ADKK
  39. 39.If HAND is written as SZMW, how is MILK written in the same code? (a) MQNO (b) NJML (c) NROP (d) OSPQ
  40. 40.If FISH is written as ITJG, how is DESK written in the same code? (a) LTFE (b) KSED (c) JRDC (d) EFTL

Answer key

  1. GLBH
  2. NJML
  3. DRMW
  4. UBD
  5. CFMM
  6. DQCV
  7. KVNQ
  8. SZMW
  9. QNVK
  10. TIJQ
  11. GMCE
  12. ERRN
  13. MXPS
  14. MNNL
  15. SHQ
  16. PQKN
  17. UAQV
  18. MJPO
  19. TAC
  20. NIAR
  21. MVHG
  22. HFM
  23. FNC
  24. IBOE
  25. DGNN
  26. NROP
  27. TAC
  28. TAC
  29. NNGD
  30. PIHS
  31. KSED
  32. DRMW
  33. PMAL
  34. UDLQ
  35. NEP
  36. HFM
  37. QRYP
  38. CFMM
  39. NROP
  40. LTFE

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