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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 270 · 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 SUN is written as NUS, how is WIND written in the same code? (a) CMHV (b) XJOE (c) DNIW (d) EOJX
  2. 2.If CAKE is written as XZPV, how is TOYS written in the same code? (a) UPZT (b) HMCI (c) FKAG (d) GLBH
  3. 3.If TREE is written as EERT, how is DRUM written in the same code? (a) LTQC (b) ESVN (c) NVSE (d) MURD
  4. 4.If PEN is written as NEP, how is FISH written in the same code? (a) GRHE (b) ITJG (c) GJTI (d) HSIF
  5. 5.If JUMP is written as ROWL, how is TOYS written in the same code? (a) VQAU (b) UAQV (c) SYOT (d) QWMR
  6. 6.If DOG is written as WLT, how is BELL written in the same code? (a) XUNN (b) YVOO (c) ZWPP (d) CFMM
  7. 7.If JUMP is written as PMUJ, how is MILK written in the same code? (a) NJML (b) LMJN (c) KLIM (d) JKHL
  8. 8.If BOAT is written as VCQD, how is STAR written in the same code? (a) UVCT (b) TCVU (c) PYRQ (d) RATS
  9. 9.If HAND is written as DNAH, how is NEST written in the same code? (a) TSEN (b) OFTU (c) UTFO (d) SRDM
  10. 10.If COLD is written as CKNB, how is GOLD written in the same code? (a) FNKC (b) DLOG (c) EMPH (d) CKNF
  11. 11.If BOOK is written as ZMMI, how is DRUM written in the same code? (a) FTWO (b) AORJ (c) BPSK (d) CQTL
  12. 12.If PARK is written as KRAP, how is MOON written in the same code? (a) NOOM (b) MNNL (c) NPPO (d) OPPN
  13. 13.If STAR is written as HGZI, how is BOAT written in the same code? (a) ZMAH (b) XKYF (c) YLZG (d) CPBU
  14. 14.If LION is written as PQKN, how is CAT written in the same code? (a) ECV (b) VCE (c) RYA (d) TAC
  15. 15.If TOYS is written as RMWQ, how is DRUM written in the same code? (a) CQTL (b) FTWO (c) AORJ (d) BPSK
  16. 16.If NEST is written as MVHG, how is BOOK written in the same code? (a) CPPL (b) ZMMQ (c) YLLP (d) XKKO
  17. 17.If BOOK is written as KOOB, how is TOYS written in the same code? (a) RXNS (b) UPZT (c) SYOT (d) TZPU
  18. 18.If BELL is written as ADKK, how is MILK written in the same code? (a) KGJI (b) MILK (c) LHKJ (d) NJML
  19. 19.If SUN is written as MTR, how is JUMP written in the same code? (a) ITLO (b) QNVK (c) OLTI (d) PMUJ
  20. 20.If KITE is written as MKVG, how is TREE written in the same code? (a) WUHH (b) VTGG (c) RPCC (d) USFF
  21. 21.If CAT is written as UBD, how is BALL written in the same code? (a) KKZA (b) MMBC (c) LLAB (d) CBMM
  22. 22.If BOAT is written as TAOB, how is GOLD written in the same code? (a) DLOG (b) HPME (c) CKNF (d) EMPH
  23. 23.If FISH is written as GJTI, how is CAT written in the same code? (a) ECV (b) BZS (c) UBD (d) DBU
  24. 24.If STAR is written as HGZI, how is PEN written in the same code? (a) JUL (b) LWN (c) QFO (d) KVM
  25. 25.If STAR is written as UVCT, how is BOAT written in the same code? (a) ZMYR (b) DQCV (c) CPBU (d) ERDW
  26. 26.If SUN is written as OVT, how is FISH written in the same code? (a) GRHE (b) ITJG (c) GJTI (d) HSIF
  27. 27.If TREE is written as GGTV, how is DESK written in the same code? (a) IQCB (b) KSED (c) MUGF (d) FGUM
  28. 28.If DESK is written as EFTL, how is BOAT written in the same code? (a) ANZS (b) UBPC (c) CPBU (d) DQCV
  29. 29.If MOON is written as OPPN, how is LION written in the same code? (a) MNHK (b) NOIL (c) MJPO (d) OPJM
  30. 30.If KITE is written as ETIK, how is CAKE written in the same code? (a) FLBD (b) DJZB (c) EKAC (d) DBLF
  31. 31.If SHIP is written as QJIT, how is FROG written in the same code? (a) GORF (b) HPSG (c) FNQE (d) GSPH
  32. 32.If HAND is written as DNAH, how is STAR written in the same code? (a) QZSR (b) TUBS (c) SBUT (d) RATS
  33. 33.If COLD is written as EMPD, how is DOG written in the same code? (a) FNC (b) EPH (c) GOD (d) HPE
  34. 34.If KITE is written as DSHJ, how is SUN written in the same code? (a) NUS (b) RTM (c) OVT (d) MTR
  35. 35.If BELL is written as LLEB, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) SBJO (d) NIAR
  36. 36.If BELL is written as MMFC, how is SUN written in the same code? (a) OVT (b) TVO (c) NUS (d) MTR
  37. 37.If NEST is written as TSEN, how is DOG written in the same code? (a) EPH (b) GOD (c) FNC (d) HPE
  38. 38.If MILK is written as NROP, how is FROG written in the same code? (a) GSPH (b) VJMU (c) THKS (d) UILT
  39. 39.If BALL is written as ZYJJ, how is JUMP written in the same code? (a) ITLO (b) GRJM (c) HSKN (d) LWOR
  40. 40.If NEST is written as MVHG, how is SHIP written in the same code? (a) HSRK (b) GRQJ (c) ITSL (d) TIJQ

Answer key

  1. DNIW
  2. GLBH
  3. MURD
  4. HSIF
  5. UAQV
  6. YVOO
  7. KLIM
  8. TCVU
  9. TSEN
  10. CKNF
  11. BPSK
  12. NOOM
  13. YLZG
  14. VCE
  15. BPSK
  16. YLLP
  17. SYOT
  18. LHKJ
  19. OLTI
  20. VTGG
  21. MMBC
  22. DLOG
  23. DBU
  24. KVM
  25. DQCV
  26. ITJG
  27. MUGF
  28. CPBU
  29. OPJM
  30. EKAC
  31. HPSG
  32. RATS
  33. HPE
  34. MTR
  35. NIAR
  36. OVT
  37. GOD
  38. UILT
  39. HSKN
  40. HSRK

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