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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 120 · 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 LAMP is written as OLZK, how is DRUM written in the same code? (a) CQTL (b) MURD (c) NVSE (d) LTQC
  2. 2.If FISH is written as HSIF, how is NEST written in the same code? (a) UTFO (b) TSEN (c) SRDM (d) OFTU
  3. 3.If NEST is written as MVHG, how is LAMP written in the same code? (a) PAOL (b) NYMJ (c) OZNK (d) MBNQ
  4. 4.If LAMP is written as PMAL, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) SYOT (d) UPZT
  5. 5.If LAMP is written as QNBM, how is MOON written in the same code? (a) OPPN (b) NOOM (c) NPPO (d) MNNL
  6. 6.If JUMP is written as QFNK, how is LAMP written in the same code? (a) PAOL (b) OZNK (c) MBNQ (d) NYMJ
  7. 7.If JUMP is written as QFNK, how is DESK written in the same code? (a) WVHP (b) VUGO (c) EFTL (d) XWIQ
  8. 8.If LAMP is written as OZNK, how is DOG written in the same code? (a) XMU (b) WLT (c) EPH (d) VKS
  9. 9.If CAT is written as ECV, how is FROG written in the same code? (a) GSPH (b) HTQI (c) DPME (d) IURJ
  10. 10.If GOLD is written as IQNF, how is FROG written in the same code? (a) IURJ (b) DPME (c) GSPH (d) HTQI
  11. 11.If RAIN is written as NIAR, how is DESK written in the same code? (a) EFTL (b) JRDC (c) KSED (d) LTFE
  12. 12.If JUMP is written as PMUJ, how is GOLD written in the same code? (a) HPME (b) EMPH (c) CKNF (d) DLOG
  13. 13.If BOOK is written as KOOB, how is PARK written in the same code? (a) QBSL (b) JQZO (c) LSBQ (d) KRAP
  14. 14.If HAND is written as FPCJ, how is RAIN written in the same code? (a) PKCT (b) NIAR (c) TCKP (d) LGYP
  15. 15.If COLD is written as XLOW, how is FISH written in the same code? (a) URHS (b) GJTI (c) TQGR (d) VSIT
  16. 16.If MILK is written as OKNM, how is DOG written in the same code? (a) FQI (b) EPH (c) BME (d) GRJ
  17. 17.If LION is written as NOIL, how is BOAT written in the same code? (a) TAOB (b) SZNA (c) UBPC (d) CPBU
  18. 18.If CAKE is written as XZPV, how is MOON written in the same code? (a) OMMN (b) NPPO (c) NLLM (d) MKKL
  19. 19.If DOG is written as WLT, how is BOAT written in the same code? (a) XKYF (b) YLZG (c) CPBU (d) ZMAH
  20. 20.If BELL is written as YVOO, how is CAT written in the same code? (a) XZG (b) YAH (c) DBU (d) WYF
  21. 21.If FROG is written as DPME, how is DOG written in the same code? (a) ALD (b) CNF (c) FQI (d) BME
  22. 22.If CAT is written as DBU, how is BELL written in the same code? (a) DGNN (b) MMFC (c) ADKK (d) CFMM
  23. 23.If MILK is written as LMJN, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) ETIK (d) FUJL
  24. 24.If TOYS is written as RMWQ, how is LION written in the same code? (a) NKQP (b) JGML (c) KHNM (d) IFLK
  25. 25.If HAND is written as DNAH, how is KITE written in the same code? (a) FUJL (b) DSHJ (c) ETIK (d) LJUF
  26. 26.If KITE is written as FUJL, how is SUN written in the same code? (a) NUS (b) TVO (c) OVT (d) MTR
  27. 27.If CAKE is written as XZPV, how is COLD written in the same code? (a) WKNV (b) YMPX (c) DPME (d) XLOW
  28. 28.If BOOK is written as DQQM, how is CAKE written in the same code? (a) DBLF (b) AYIC (c) FDNH (d) ECMG
  29. 29.If DESK is written as WVHP, how is NEST written in the same code? (a) OFTU (b) NWIH (c) LUGF (d) MVHG
  30. 30.If DOG is written as HPE, how is RAIN written in the same code? (a) NIAR (b) MHZQ (c) SBJO (d) OJBS
  31. 31.If SUN is written as HFM, how is KITE written in the same code? (a) OQFU (b) PRGV (c) QSHW (d) LJUF
  32. 32.If DOG is written as WLT, how is SUN written in the same code? (a) GEL (b) TVO (c) HFM (d) IGN
  33. 33.If GOLD is written as TLOW, how is MILK written in the same code? (a) NROP (b) OSPQ (c) MQNO (d) NJML
  34. 34.If HAND is written as EOBI, how is BALL written in the same code? (a) LLAB (b) KKZA (c) MMBC (d) CBMM
  35. 35.If WIND is written as UGLB, how is CAT written in the same code? (a) ECV (b) BZS (c) AYR (d) ZXQ
  36. 36.If KITE is written as PRGV, how is SUN written in the same code? (a) HFM (b) IGN (c) TVO (d) GEL
  37. 37.If PARK is written as KZIP, how is SHIP written in the same code? (a) ITSL (b) TIJQ (c) GRQJ (d) HSRK
  38. 38.If NEST is written as SRDM, how is MILK written in the same code? (a) KLIM (b) LHKJ (c) LMJN (d) JKHL
  39. 39.If FISH is written as HSIF, how is MILK written in the same code? (a) JKHL (b) KLIM (c) NJML (d) LMJN
  40. 40.If DRUM is written as WIFN, how is GOLD written in the same code? (a) HPME (b) SKNV (c) TLOW (d) UMPX

Answer key

  1. LTQC
  2. TSEN
  3. OZNK
  4. SYOT
  5. OPPN
  6. OZNK
  7. WVHP
  8. WLT
  9. HTQI
  10. HTQI
  11. KSED
  12. DLOG
  13. KRAP
  14. PKCT
  15. URHS
  16. FQI
  17. TAOB
  18. NLLM
  19. YLZG
  20. XZG
  21. BME
  22. CFMM
  23. FUJL
  24. JGML
  25. ETIK
  26. OVT
  27. XLOW
  28. ECMG
  29. MVHG
  30. OJBS
  31. PRGV
  32. HFM
  33. NROP
  34. MMBC
  35. AYR
  36. HFM
  37. HSRK
  38. JKHL
  39. KLIM
  40. TLOW

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