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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 957 · 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 HAND is written as SZMW, how is SUN written in the same code? (a) TVO (b) IGN (c) GEL (d) HFM
  2. 2.If PEN is written as OFQ, how is FISH written in the same code? (a) GRHE (b) HSIF (c) ITJG (d) GJTI
  3. 3.If BOOK is written as KOOB, how is DRUM written in the same code? (a) MURD (b) ESVN (c) NVSE (d) LTQC
  4. 4.If RAIN is written as SBJO, how is MILK written in the same code? (a) LMJN (b) NJML (c) OKNM (d) LHKJ
  5. 5.If WIND is written as ZLQG, how is LION written in the same code? (a) OLRQ (b) IFLK (c) PMSR (d) NKQP
  6. 6.If BOOK is written as MQQD, how is BELL written in the same code? (a) DGNN (b) LLEB (c) JJCZ (d) NNGD
  7. 7.If PEN is written as OFQ, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) SBJO (d) NIAR
  8. 8.If SUN is written as UWP, how is WIND written in the same code? (a) YKPF (b) XJOE (c) ZLQG (d) UGLB
  9. 9.If FROG is written as HPSG, how is DOG written in the same code? (a) HPE (b) EPH (c) GOD (d) FNC
  10. 10.If KITE is written as PRGV, how is SUN written in the same code? (a) GEL (b) HFM (c) IGN (d) TVO
  11. 11.If CAT is written as XZG, how is BOAT written in the same code? (a) ZMAH (b) CPBU (c) XKYF (d) YLZG
  12. 12.If SHIP is written as PIHS, how is FROG written in the same code? (a) GORF (b) FNQE (c) GSPH (d) HPSG
  13. 13.If PARK is written as KZIP, how is LION written in the same code? (a) NQKL (b) MJPO (c) PSMN (d) ORLM
  14. 14.If JUMP is written as PMUJ, how is BOAT written in the same code? (a) CPBU (b) UBPC (c) TAOB (d) SZNA
  15. 15.If PEN is written as KVM, how is BALL written in the same code? (a) ZAPP (b) YZOO (c) XYNN (d) CBMM
  16. 16.If FISH is written as ILVK, how is MILK written in the same code? (a) PLON (b) QMPO (c) JFIH (d) OKNM
  17. 17.If STAR is written as SBUT, how is DESK written in the same code? (a) JRDC (b) LTFE (c) EFTL (d) KSED
  18. 18.If KITE is written as JHSD, how is CAT written in the same code? (a) CAT (b) BZS (c) DBU (d) AYR
  19. 19.If NEST is written as TSEN, how is DESK written in the same code? (a) KSED (b) JRDC (c) LTFE (d) EFTL
  20. 20.If STAR is written as RSZQ, how is HAND written in the same code? (a) IBOE (b) FYLB (c) HAND (d) GZMC
  21. 21.If HAND is written as SZMW, how is SHIP written in the same code? (a) ITSL (b) GRQJ (c) TIJQ (d) HSRK
  22. 22.If PEN is written as KVM, how is MILK written in the same code? (a) NJML (b) MQNO (c) OSPQ (d) NROP
  23. 23.If FROG is written as HTQI, how is DESK written in the same code? (a) GHVN (b) EFTL (c) BCQI (d) FGUM
  24. 24.If TOYS is written as RXNS, how is BALL written in the same code? (a) MMBC (b) AZKK (c) LLAB (d) KKZA
  25. 25.If SUN is written as NUS, how is TOYS written in the same code? (a) TZPU (b) SYOT (c) UPZT (d) RXNS
  26. 26.If BALL is written as LLAB, how is NEST written in the same code? (a) UTFO (b) SRDM (c) TSEN (d) OFTU
  27. 27.If MILK is written as MNKO, how is SUN written in the same code? (a) LSQ (b) PWU (c) NUS (d) UWP
  28. 28.If KITE is written as PRGV, how is PARK written in the same code? (a) QBSL (b) JYHO (c) KZIP (d) LAJQ
  29. 29.If BOAT is written as YLZG, how is GOLD written in the same code? (a) UMPX (b) TLOW (c) HPME (d) SKNV
  30. 30.If DOG is written as IQF, how is TOYS written in the same code? (a) VQAU (b) QWMR (c) SYOT (d) UAQV
  31. 31.If TREE is written as GIVV, how is PEN written in the same code? (a) KVM (b) QFO (c) JUL (d) LWN
  32. 32.If DRUM is written as WIFN, how is FROG written in the same code? (a) GSPH (b) THKS (c) VJMU (d) UILT
  33. 33.If JUMP is written as OLTI, how is BOOK written in the same code? (a) ANNJ (b) LPPC (c) KOOB (d) JNNA
  34. 34.If MOON is written as NOOM, how is STAR written in the same code? (a) QZSR (b) SBUT (c) RATS (d) TUBS
  35. 35.If JUMP is written as QFNK, how is HAND written in the same code? (a) RYLV (b) TANX (c) IBOE (d) SZMW
  36. 36.If CAKE is written as XZPV, how is NEST written in the same code? (a) LUGF (b) OFTU (c) NWIH (d) MVHG
  37. 37.If FROG is written as HPSG, how is WIND written in the same code? (a) CMHV (b) XJOE (c) DNIW (d) EOJX
  38. 38.If FISH is written as GRHE, how is MILK written in the same code? (a) LMJN (b) JKHL (c) LHKJ (d) KLIM
  39. 39.If HAND is written as FPCJ, how is PEN written in the same code? (a) PGR (b) RGP (c) NEP (d) LCN
  40. 40.If BELL is written as YVOO, how is LAMP written in the same code? (a) PAOL (b) OZNK (c) MBNQ (d) NYMJ

Answer key

  1. HFM
  2. ITJG
  3. MURD
  4. NJML
  5. OLRQ
  6. NNGD
  7. OJBS
  8. YKPF
  9. HPE
  10. HFM
  11. YLZG
  12. GORF
  13. ORLM
  14. TAOB
  15. YZOO
  16. PLON
  17. LTFE
  18. BZS
  19. KSED
  20. GZMC
  21. HSRK
  22. NROP
  23. FGUM
  24. KKZA
  25. SYOT
  26. TSEN
  27. PWU
  28. KZIP
  29. TLOW
  30. UAQV
  31. KVM
  32. UILT
  33. JNNA
  34. RATS
  35. SZMW
  36. MVHG
  37. EOJX
  38. JKHL
  39. PGR
  40. OZNK

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