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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 560 · 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 NEST is written as TSEN, how is CAT written in the same code? (a) SZB (b) TAC (c) UBD (d) DBU
  2. 2.If FISH is written as HSIF, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) FUJL (d) LJUF
  3. 3.If RAIN is written as PKCT, how is DRUM written in the same code? (a) FTWO (b) MURD (c) KSPB (d) OWTF
  4. 4.If COLD is written as XLOW, how is WIND written in the same code? (a) ESNX (b) CQLV (c) XJOE (d) DRMW
  5. 5.If COLD is written as EMPD, how is SUN written in the same code? (a) MTR (b) TVO (c) NUS (d) OVT
  6. 6.If BALL is written as NNCD, how is TOYS written in the same code? (a) SYOT (b) VQAU (c) QWMR (d) UAQV
  7. 7.If BOAT is written as YLZG, how is BELL written in the same code? (a) CFMM (b) YVOO (c) XUNN (d) ZWPP
  8. 8.If TREE is written as WUHH, how is JUMP written in the same code? (a) MXPS (b) GRJM (c) LWOR (d) NYQT
  9. 9.If BOAT is written as YLZG, how is FROG written in the same code? (a) THKS (b) GSPH (c) UILT (d) VJMU
  10. 10.If STAR is written as TCVU, how is LION written in the same code? (a) PQKN (b) LMGJ (c) NKQP (d) NOIL
  11. 11.If KITE is written as LJUF, how is BALL written in the same code? (a) AZKK (b) MMBC (c) DCNN (d) CBMM
  12. 12.If TOYS is written as GLBH, how is SUN written in the same code? (a) HFM (b) GEL (c) TVO (d) IGN
  13. 13.If NEST is written as MVHG, how is WIND written in the same code? (a) ESNX (b) CQLV (c) DRMW (d) XJOE
  14. 14.If CAT is written as UBD, how is MILK written in the same code? (a) JKHL (b) NJML (c) LMJN (d) KLIM
  15. 15.If GOLD is written as FNQI, how is JUMP written in the same code? (a) ROWL (b) LWOR (c) PMUJ (d) NKSH
  16. 16.If COLD is written as BNKC, how is DOG written in the same code? (a) BME (b) CNF (c) DOG (d) EPH
  17. 17.If PEN is written as SHQ, how is MILK written in the same code? (a) QMPO (b) JFIH (c) PLON (d) OKNM
  18. 18.If PEN is written as QFO, how is COLD written in the same code? (a) EMPD (b) BNKC (c) DPME (d) EQNF
  19. 19.If KITE is written as ETIK, how is WIND written in the same code? (a) EOJX (b) XJOE (c) DNIW (d) CMHV
  20. 20.If CAKE is written as FLBD, how is TOYS written in the same code? (a) RXNS (b) TZPU (c) UPZT (d) SYOT
  21. 21.If TREE is written as DDQS, how is NEST written in the same code? (a) UTFO (b) TSEN (c) SRDM (d) MDRS
  22. 22.If DRUM is written as ESVN, how is BOOK written in the same code? (a) ANNJ (b) LPPC (c) DQQM (d) CPPL
  23. 23.If KITE is written as ETIK, how is PEN written in the same code? (a) OFQ (b) MDO (c) QFO (d) NEP
  24. 24.If HAND is written as DNAH, how is CAKE written in the same code? (a) FLBD (b) EKAC (c) DBLF (d) DJZB
  25. 25.If MILK is written as NJML, how is MOON written in the same code? (a) NPPO (b) OPPN (c) LNNM (d) OQQP
  26. 26.If CAKE is written as EKAC, how is HAND written in the same code? (a) IBOE (b) DNAH (c) CMZG (d) EOBI
  27. 27.If DOG is written as WLT, how is BELL written in the same code? (a) ZWPP (b) CFMM (c) XUNN (d) YVOO
  28. 28.If BALL is written as YZOO, how is JUMP written in the same code? (a) PEMJ (b) QFNK (c) RGOL (d) KVNQ
  29. 29.If TREE is written as WUHH, how is BELL written in the same code? (a) DGNN (b) YBII (c) FIPP (d) EHOO
  30. 30.If SUN is written as MTR, how is MILK written in the same code? (a) KLIM (b) JKHL (c) LHKJ (d) LMJN
  31. 31.If MOON is written as PRRQ, how is CAKE written in the same code? (a) GEOI (b) FDNH (c) ZXHB (d) ECMG
  32. 32.If DRUM is written as WIFN, how is BOOK written in the same code? (a) XKKO (b) CPPL (c) ZMMQ (d) YLLP
  33. 33.If STAR is written as RATS, how is CAT written in the same code? (a) DBU (b) UBD (c) SZB (d) TAC
  34. 34.If FISH is written as ILVK, how is BOAT written in the same code? (a) FSEX (b) DQCV (c) ERDW (d) YLXQ
  35. 35.If MILK is written as JKHL, how is SHIP written in the same code? (a) RGHO (b) OHGR (c) PIHS (d) QJIT
  36. 36.If MILK is written as MNKO, how is BALL written in the same code? (a) DCNN (b) JJYZ (c) LLAB (d) NNCD
  37. 37.If TOYS is written as UAQV, how is TREE written in the same code? (a) CCPR (b) GGTV (c) EERT (d) VTGG
  38. 38.If TOYS is written as UPZT, how is DRUM written in the same code? (a) CQTL (b) FTWO (c) ESVN (d) NVSE
  39. 39.If JUMP is written as OLTI, how is FISH written in the same code? (a) EHRG (b) GRHE (c) HSIF (d) ITJG
  40. 40.If FROG is written as GORF, how is PARK written in the same code? (a) QBSL (b) JQZO (c) LSBQ (d) KRAP

Answer key

  1. TAC
  2. ETIK
  3. OWTF
  4. DRMW
  5. OVT
  6. UAQV
  7. YVOO
  8. MXPS
  9. UILT
  10. PQKN
  11. CBMM
  12. HFM
  13. DRMW
  14. LMJN
  15. ROWL
  16. CNF
  17. PLON
  18. DPME
  19. DNIW
  20. TZPU
  21. SRDM
  22. CPPL
  23. NEP
  24. EKAC
  25. NPPO
  26. DNAH
  27. YVOO
  28. QFNK
  29. EHOO
  30. JKHL
  31. FDNH
  32. YLLP
  33. TAC
  34. ERDW
  35. OHGR
  36. NNCD
  37. GGTV
  38. ESVN
  39. GRHE
  40. KRAP

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