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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 200 · 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 WIND is written as VHMC, how is DESK written in the same code? (a) DESK (b) BCQI (c) CDRJ (d) EFTL
  2. 2.If JUMP is written as QFNK, how is FISH written in the same code? (a) GJTI (b) VSIT (c) URHS (d) TQGR
  3. 3.If PEN is written as OFQ, how is FROG written in the same code? (a) HPSG (b) FNQE (c) GSPH (d) GORF
  4. 4.If MOON is written as KMML, how is BELL written in the same code? (a) ADKK (b) DGNN (c) ZCJJ (d) YBII
  5. 5.If BOAT is written as ANZS, how is HAND written in the same code? (a) IBOE (b) GZMC (c) FYLB (d) HAND
  6. 6.If LAMP is written as PMAL, how is FROG written in the same code? (a) GSPH (b) GORF (c) HPSG (d) FNQE
  7. 7.If MILK is written as NROP, how is TREE written in the same code? (a) FHUU (b) HJWW (c) USFF (d) GIVV
  8. 8.If COLD is written as XLOW, how is TREE written in the same code? (a) GIVV (b) USFF (c) FHUU (d) HJWW
  9. 9.If DESK is written as WVHP, how is RAIN written in the same code? (a) JASN (b) SBJO (c) HYQL (d) IZRM
  10. 10.If DOG is written as GOD, how is PEN written in the same code? (a) NEP (b) MDO (c) QFO (d) OFQ
  11. 11.If DOG is written as GOD, how is FISH written in the same code? (a) HSIF (b) GRHE (c) GJTI (d) ITJG
  12. 12.If LAMP is written as OZNK, how is MILK written in the same code? (a) MQNO (b) NROP (c) NJML (d) OSPQ
  13. 13.If FROG is written as GSPH, how is JUMP written in the same code? (a) QNVK (b) KVNQ (c) LWOR (d) ITLO
  14. 14.If LAMP is written as ROCN, how is SHIP written in the same code? (a) RKJU (b) NGFQ (c) UJKR (d) PIHS
  15. 15.If CAT is written as TAC, how is BALL written in the same code? (a) CBMM (b) KKZA (c) LLAB (d) MMBC
  16. 16.If HAND is written as DNAH, how is KITE written in the same code? (a) LJUF (b) ETIK (c) FUJL (d) DSHJ
  17. 17.If DESK is written as GHVN, how is PEN written in the same code? (a) MBK (b) TIR (c) RGP (d) SHQ
  18. 18.If TOYS is written as SNXR, how is STAR written in the same code? (a) RSZQ (b) QRYP (c) TUBS (d) STAR
  19. 19.If DESK is written as MUGF, how is BOOK written in the same code? (a) IMMZ (b) DQQM (c) MQQD (d) KOOB
  20. 20.If BOAT is written as ANZS, how is LION written in the same code? (a) KHNM (b) MJPO (c) JGML (d) LION
  21. 21.If DESK is written as WVHP, how is LAMP written in the same code? (a) MBNQ (b) NYMJ (c) PAOL (d) OZNK
  22. 22.If MOON is written as NLLM, how is GOLD written in the same code? (a) HPME (b) SKNV (c) TLOW (d) UMPX
  23. 23.If LION is written as NOIL, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) DLOG (d) HPME
  24. 24.If BOOK is written as KOOB, how is HAND written in the same code? (a) DNAH (b) IBOE (c) CMZG (d) EOBI
  25. 25.If BOAT is written as UBPC, how is DOG written in the same code? (a) HPE (b) GOD (c) EPH (d) FNC
  26. 26.If STAR is written as HGZI, how is PARK written in the same code? (a) JYHO (b) LAJQ (c) KZIP (d) QBSL
  27. 27.If BELL is written as MMFC, how is NEST written in the same code? (a) TSEN (b) UTFO (c) SRDM (d) OFTU
  28. 28.If TREE is written as EERT, how is JUMP written in the same code? (a) KVNQ (b) PMUJ (c) QNVK (d) OLTI
  29. 29.If HAND is written as DNAH, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) NIAR (d) SBJO
  30. 30.If BOOK is written as ZMMI, how is CAKE written in the same code? (a) ECMG (b) BZJD (c) AYIC (d) ZXHB
  31. 31.If BOOK is written as CPPL, how is MILK written in the same code? (a) LHKJ (b) LMJN (c) NJML (d) OKNM
  32. 32.If COLD is written as DPME, how is MILK written in the same code? (a) OKNM (b) LMJN (c) NJML (d) LHKJ
  33. 33.If JUMP is written as PMUJ, how is CAKE written in the same code? (a) DBLF (b) EKAC (c) DJZB (d) FLBD
  34. 34.If SUN is written as TVO, how is DOG written in the same code? (a) CNF (b) HPE (c) FQI (d) EPH
  35. 35.If BELL is written as KKDA, how is BOOK written in the same code? (a) LPPC (b) KOOB (c) JNNA (d) ANNJ
  36. 36.If DRUM is written as WIFN, how is BOOK written in the same code? (a) CPPL (b) YLLP (c) XKKO (d) ZMMQ
  37. 37.If WIND is written as DRMW, how is SUN written in the same code? (a) HFM (b) GEL (c) TVO (d) IGN
  38. 38.If CAT is written as XZG, how is BALL written in the same code? (a) XYNN (b) CBMM (c) YZOO (d) ZAPP
  39. 39.If HAND is written as CMZG, how is PEN written in the same code? (a) ODM (b) OFQ (c) MDO (d) NEP
  40. 40.If BELL is written as YVOO, how is COLD written in the same code? (a) YMPX (b) DPME (c) WKNV (d) XLOW

Answer key

  1. CDRJ
  2. URHS
  3. HPSG
  4. ZCJJ
  5. GZMC
  6. GORF
  7. GIVV
  8. GIVV
  9. IZRM
  10. NEP
  11. HSIF
  12. NROP
  13. KVNQ
  14. RKJU
  15. LLAB
  16. ETIK
  17. SHQ
  18. RSZQ
  19. MQQD
  20. KHNM
  21. OZNK
  22. TLOW
  23. DLOG
  24. DNAH
  25. HPE
  26. KZIP
  27. UTFO
  28. PMUJ
  29. NIAR
  30. AYIC
  31. NJML
  32. NJML
  33. EKAC
  34. EPH
  35. JNNA
  36. YLLP
  37. HFM
  38. YZOO
  39. MDO
  40. XLOW

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