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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 920 · 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 FROG is written as UILT, how is LION written in the same code? (a) MJPO (b) ORLM (c) NQKL (d) PSMN
  2. 2.If MOON is written as KMML, how is FISH written in the same code? (a) HKUJ (b) CFPE (c) EHRG (d) DGQF
  3. 3.If BOOK is written as KOOB, how is MOON written in the same code? (a) NPPO (b) MNNL (c) OPPN (d) NOOM
  4. 4.If NEST is written as MVHG, how is TREE written in the same code? (a) FHUU (b) USFF (c) GIVV (d) HJWW
  5. 5.If COLD is written as DPME, how is CAT written in the same code? (a) UBD (b) ECV (c) DBU (d) BZS
  6. 6.If DOG is written as GOD, how is DESK written in the same code? (a) LTFE (b) JRDC (c) EFTL (d) KSED
  7. 7.If BALL is written as YZOO, how is SUN written in the same code? (a) HFM (b) IGN (c) GEL (d) TVO
  8. 8.If FISH is written as HSIF, how is KITE written in the same code? (a) LJUF (b) ETIK (c) FUJL (d) DSHJ
  9. 9.If NEST is written as MVHG, how is DOG written in the same code? (a) XMU (b) VKS (c) WLT (d) EPH
  10. 10.If DESK is written as KSED, how is TOYS written in the same code? (a) UPZT (b) RXNS (c) SYOT (d) TZPU
  11. 11.If FISH is written as ITJG, how is SUN written in the same code? (a) TVO (b) OVT (c) MTR (d) NUS
  12. 12.If TREE is written as GIVV, how is GOLD written in the same code? (a) TLOW (b) UMPX (c) SKNV (d) HPME
  13. 13.If CAT is written as XZG, how is GOLD written in the same code? (a) HPME (b) TLOW (c) UMPX (d) SKNV
  14. 14.If WIND is written as DNIW, how is JUMP written in the same code? (a) OLTI (b) QNVK (c) KVNQ (d) PMUJ
  15. 15.If TREE is written as DDQS, how is JUMP written in the same code? (a) QNVK (b) OLTI (c) PMUJ (d) ITLO
  16. 16.If JUMP is written as QFNK, how is BOAT written in the same code? (a) CPBU (b) YLZG (c) ZMAH (d) XKYF
  17. 17.If STAR is written as QZSR, how is LAMP written in the same code? (a) PMAL (b) QNBM (c) KZLO (d) OLZK
  18. 18.If STAR is written as QZSR, how is BOAT written in the same code? (a) ANZS (b) UBPC (c) TAOB (d) SZNA
  19. 19.If PARK is written as QBSL, how is RAIN written in the same code? (a) SBJO (b) OJBS (c) QZHM (d) TCKP
  20. 20.If MOON is written as NLLM, how is TREE written in the same code? (a) USFF (b) HJWW (c) GIVV (d) FHUU
  21. 21.If STAR is written as SBUT, how is PEN written in the same code? (a) QFO (b) MDO (c) NEP (d) OFQ
  22. 22.If PARK is written as KRAP, how is COLD written in the same code? (a) DPME (b) DLOC (c) CKNB (d) EMPD
  23. 23.If MILK is written as NROP, how is PEN written in the same code? (a) JUL (b) QFO (c) KVM (d) LWN
  24. 24.If WIND is written as DRMW, how is CAT written in the same code? (a) WYF (b) YAH (c) DBU (d) XZG
  25. 25.If GOLD is written as DLOG, how is BELL written in the same code? (a) KKDA (b) CFMM (c) MMFC (d) LLEB
  26. 26.If DRUM is written as OWTF, how is FISH written in the same code? (a) FQGD (b) JUKH (c) HKUJ (d) HSIF
  27. 27.If TREE is written as WUHH, how is BOAT written in the same code? (a) DQCV (b) ERDW (c) FSEX (d) YLXQ
  28. 28.If TREE is written as USFF, how is DOG written in the same code? (a) CNF (b) HPE (c) EPH (d) FQI
  29. 29.If KITE is written as IGRC, how is SHIP written in the same code? (a) UJKR (b) RGHO (c) QFGN (d) PEFM
  30. 30.If NEST is written as MVHG, how is COLD written in the same code? (a) DPME (b) YMPX (c) XLOW (d) WKNV
  31. 31.If RAIN is written as IZRM, how is DESK written in the same code? (a) EFTL (b) VUGO (c) WVHP (d) XWIQ
  32. 32.If MILK is written as KLIM, how is LION written in the same code? (a) MNHK (b) MJPO (c) OPJM (d) NOIL
  33. 33.If KITE is written as ETIK, how is LION written in the same code? (a) NOIL (b) OPJM (c) MNHK (d) MJPO
  34. 34.If MOON is written as PQQO, how is TREE written in the same code? (a) VTGG (b) CCPR (c) GGTV (d) EERT
  35. 35.If DESK is written as WVHP, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) XKYF (d) YLZG
  36. 36.If TREE is written as EERT, how is LION written in the same code? (a) MJPO (b) NOIL (c) MNHK (d) OPJM
  37. 37.If COLD is written as DLOC, how is BELL written in the same code? (a) MMFC (b) KKDA (c) CFMM (d) LLEB
  38. 38.If BALL is written as DCNN, how is PEN written in the same code? (a) NCL (b) SHQ (c) RGP (d) QFO
  39. 39.If TOYS is written as RMWQ, how is KITE written in the same code? (a) HFQB (b) MKVG (c) IGRC (d) JHSD
  40. 40.If CAT is written as XZG, how is KITE written in the same code? (a) LJUF (b) QSHW (c) OQFU (d) PRGV

Answer key

  1. ORLM
  2. DGQF
  3. NOOM
  4. GIVV
  5. DBU
  6. KSED
  7. HFM
  8. ETIK
  9. WLT
  10. SYOT
  11. OVT
  12. TLOW
  13. TLOW
  14. PMUJ
  15. OLTI
  16. YLZG
  17. OLZK
  18. SZNA
  19. SBJO
  20. GIVV
  21. OFQ
  22. DLOC
  23. KVM
  24. XZG
  25. LLEB
  26. JUKH
  27. ERDW
  28. EPH
  29. QFGN
  30. XLOW
  31. WVHP
  32. NOIL
  33. NOIL
  34. GGTV
  35. YLZG
  36. NOIL
  37. LLEB
  38. RGP
  39. IGRC
  40. PRGV

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