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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 979 · 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 CAT is written as UBD, how is DOG written in the same code? (a) HPE (b) GOD (c) EPH (d) FNC
  2. 2.If HAND is written as DNAH, how is DOG written in the same code? (a) HPE (b) GOD (c) EPH (d) FNC
  3. 3.If GOLD is written as IQNF, how is DESK written in the same code? (a) BCQI (b) FGUM (c) EFTL (d) GHVN
  4. 4.If COLD is written as DPME, how is BOAT written in the same code? (a) CPBU (b) ANZS (c) DQCV (d) UBPC
  5. 5.If STAR is written as HGZI, how is CAT written in the same code? (a) DBU (b) YAH (c) WYF (d) XZG
  6. 6.If STAR is written as VWDU, how is NEST written in the same code? (a) PGUV (b) RIWX (c) QHVW (d) KBPQ
  7. 7.If SUN is written as NUS, how is RAIN written in the same code? (a) NIAR (b) OJBS (c) SBJO (d) MHZQ
  8. 8.If FROG is written as UILT, how is RAIN written in the same code? (a) JASN (b) IZRM (c) HYQL (d) SBJO
  9. 9.If FISH is written as GJTI, how is CAKE written in the same code? (a) DBLF (b) BZJD (c) FLBD (d) ECMG
  10. 10.If DOG is written as BME, how is HAND written in the same code? (a) EXKA (b) JCPF (c) FYLB (d) GZMC
  11. 11.If CAT is written as ECV, how is SHIP written in the same code? (a) QFGN (b) UJKR (c) TIJQ (d) VKLS
  12. 12.If BOOK is written as DQQM, how is JUMP written in the same code? (a) HSKN (b) LWOR (c) MXPS (d) KVNQ
  13. 13.If GOLD is written as TLOW, how is RAIN written in the same code? (a) HYQL (b) SBJO (c) JASN (d) IZRM
  14. 14.If KITE is written as ETIK, how is TOYS written in the same code? (a) SYOT (b) RXNS (c) UPZT (d) TZPU
  15. 15.If FISH is written as ITJG, how is MOON written in the same code? (a) OPPN (b) NOOM (c) NPPO (d) MNNL
  16. 16.If PARK is written as KRAP, how is JUMP written in the same code? (a) QNVK (b) PMUJ (c) OLTI (d) KVNQ
  17. 17.If SHIP is written as HSRK, how is LAMP written in the same code? (a) MBNQ (b) NYMJ (c) PAOL (d) OZNK
  18. 18.If SUN is written as HFM, how is CAKE written in the same code? (a) WYOU (b) XZPV (c) YAQW (d) DBLF
  19. 19.If KITE is written as MKVG, how is BOOK written in the same code? (a) CPPL (b) ERRN (c) ZMMI (d) DQQM
  20. 20.If DRUM is written as WIFN, how is BELL written in the same code? (a) XUNN (b) CFMM (c) YVOO (d) ZWPP
  21. 21.If JUMP is written as HSKN, how is BOOK written in the same code? (a) DQQM (b) ANNJ (c) YLLH (d) ZMMI
  22. 22.If BOOK is written as YLLP, how is NEST written in the same code? (a) NWIH (b) OFTU (c) LUGF (d) MVHG
  23. 23.If STAR is written as HGZI, how is COLD written in the same code? (a) XLOW (b) YMPX (c) DPME (d) WKNV
  24. 24.If HAND is written as EOBI, how is TOYS written in the same code? (a) SYOT (b) TZPU (c) UPZT (d) RXNS
  25. 25.If JUMP is written as PMUJ, how is GOLD written in the same code? (a) EMPH (b) DLOG (c) HPME (d) CKNF
  26. 26.If DRUM is written as WIFN, how is LAMP written in the same code? (a) NYMJ (b) MBNQ (c) PAOL (d) OZNK
  27. 27.If KITE is written as PRGV, how is PARK written in the same code? (a) JYHO (b) QBSL (c) KZIP (d) LAJQ
  28. 28.If MILK is written as LMJN, how is SUN written in the same code? (a) TVO (b) MTR (c) NUS (d) OVT
  29. 29.If CAT is written as TAC, how is LAMP written in the same code? (a) OLZK (b) PMAL (c) QNBM (d) MBNQ
  30. 30.If FISH is written as JUKH, how is BELL written in the same code? (a) NNGD (b) LLEB (c) JJCZ (d) DGNN
  31. 31.If TREE is written as DDQS, how is MILK written in the same code? (a) JKHL (b) LMJN (c) KLIM (d) LHKJ
  32. 32.If SHIP is written as HSRK, how is DOG written in the same code? (a) WLT (b) VKS (c) XMU (d) EPH
  33. 33.If DRUM is written as MURD, how is PEN written in the same code? (a) QFO (b) NEP (c) MDO (d) OFQ
  34. 34.If FISH is written as HSIF, how is KITE written in the same code? (a) LJUF (b) ETIK (c) FUJL (d) DSHJ
  35. 35.If WIND is written as XJOE, how is BALL written in the same code? (a) DCNN (b) CBMM (c) MMBC (d) AZKK
  36. 36.If BALL is written as LLAB, how is LAMP written in the same code? (a) QNBM (b) PMAL (c) OLZK (d) MBNQ
  37. 37.If BOOK is written as LPPC, how is GOLD written in the same code? (a) DLOG (b) HPME (c) CKNF (d) EMPH
  38. 38.If CAKE is written as XZPV, how is SUN written in the same code? (a) IGN (b) GEL (c) TVO (d) HFM
  39. 39.If DESK is written as WVHP, how is FROG written in the same code? (a) GSPH (b) UILT (c) THKS (d) VJMU
  40. 40.If TREE is written as EERT, how is CAT written in the same code? (a) SZB (b) UBD (c) TAC (d) DBU

Answer key

  1. HPE
  2. GOD
  3. FGUM
  4. CPBU
  5. XZG
  6. QHVW
  7. NIAR
  8. IZRM
  9. DBLF
  10. FYLB
  11. UJKR
  12. LWOR
  13. IZRM
  14. SYOT
  15. OPPN
  16. PMUJ
  17. OZNK
  18. XZPV
  19. DQQM
  20. YVOO
  21. ZMMI
  22. MVHG
  23. XLOW
  24. TZPU
  25. DLOG
  26. OZNK
  27. KZIP
  28. OVT
  29. PMAL
  30. NNGD
  31. JKHL
  32. WLT
  33. NEP
  34. ETIK
  35. CBMM
  36. PMAL
  37. EMPH
  38. HFM
  39. UILT
  40. TAC

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