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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 50 · 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 DRUM is written as CQTL, how is TREE written in the same code? (a) USFF (b) TREE (c) RPCC (d) SQDD
  2. 2.If PARK is written as MTCR, how is WIND written in the same code? (a) DNIW (b) BLGU (c) YKPF (d) FPKY
  3. 3.If CAT is written as TAC, how is BELL written in the same code? (a) KKDA (b) LLEB (c) CFMM (d) MMFC
  4. 4.If FROG is written as GSPH, how is DESK written in the same code? (a) FGUM (b) LTFE (c) CDRJ (d) EFTL
  5. 5.If BELL is written as LLEB, how is HAND written in the same code? (a) IBOE (b) CMZG (c) DNAH (d) EOBI
  6. 6.If MILK is written as JKHL, how is LAMP written in the same code? (a) PMAL (b) OLZK (c) QNBM (d) KZLO
  7. 7.If BOOK is written as YLLP, how is WIND written in the same code? (a) CQLV (b) DRMW (c) ESNX (d) XJOE
  8. 8.If BOAT is written as TAOB, how is BOOK written in the same code? (a) KOOB (b) JNNA (c) CPPL (d) LPPC
  9. 9.If STAR is written as RATS, how is BALL written in the same code? (a) KKZA (b) MMBC (c) CBMM (d) LLAB
  10. 10.If LAMP is written as ODPS, how is WIND written in the same code? (a) AMRH (b) YKPF (c) TFKA (d) ZLQG
  11. 11.If CAT is written as FDW, how is CAKE written in the same code? (a) ZXHB (b) FDNH (c) GEOI (d) ECMG
  12. 12.If STAR is written as QZSR, how is MOON written in the same code? (a) LNNM (b) OPPN (c) MNNL (d) NOOM
  13. 13.If KITE is written as PRGV, how is PEN written in the same code? (a) LWN (b) JUL (c) KVM (d) QFO
  14. 14.If NEST is written as UTFO, how is RAIN written in the same code? (a) MHZQ (b) SBJO (c) OJBS (d) NIAR
  15. 15.If COLD is written as BNKC, how is NEST written in the same code? (a) LCQR (b) NEST (c) MDRS (d) OFTU
  16. 16.If KITE is written as ETIK, how is MOON written in the same code? (a) MNNL (b) NOOM (c) NPPO (d) OPPN
  17. 17.If LAMP is written as PMAL, how is MILK written in the same code? (a) LMJN (b) NJML (c) JKHL (d) KLIM
  18. 18.If RAIN is written as QZHM, how is SUN written in the same code? (a) SUN (b) QSL (c) RTM (d) TVO
  19. 19.If STAR is written as RATS, how is MILK written in the same code? (a) NJML (b) JKHL (c) LMJN (d) KLIM
  20. 20.If CAKE is written as AYIC, how is HAND written in the same code? (a) JCPF (b) EXKA (c) GZMC (d) FYLB
  21. 21.If JUMP is written as PMUJ, how is STAR written in the same code? (a) RATS (b) QZSR (c) TUBS (d) SBUT
  22. 22.If MOON is written as OQQP, how is PARK written in the same code? (a) QBSL (b) NYPI (c) SDUN (d) RCTM
  23. 23.If NEST is written as TSEN, how is PARK written in the same code? (a) KRAP (b) LSBQ (c) QBSL (d) JQZO
  24. 24.If MILK is written as NJML, how is RAIN written in the same code? (a) TCKP (b) SBJO (c) QZHM (d) OJBS
  25. 25.If FROG is written as GORF, how is CAKE written in the same code? (a) DBLF (b) DJZB (c) EKAC (d) FLBD
  26. 26.If BELL is written as NNGD, how is KITE written in the same code? (a) MKVG (b) GVKM (c) CRGI (d) ETIK
  27. 27.If CAKE is written as XZPV, how is DRUM written in the same code? (a) WIFN (b) XJGO (c) VHEM (d) ESVN
  28. 28.If PEN is written as KVM, how is LION written in the same code? (a) MJPO (b) NQKL (c) PSMN (d) ORLM
  29. 29.If CAT is written as XZG, how is GOLD written in the same code? (a) SKNV (b) UMPX (c) HPME (d) TLOW
  30. 30.If FISH is written as DGQF, how is DRUM written in the same code? (a) FTWO (b) BPSK (c) CQTL (d) AORJ
  31. 31.If TOYS is written as RXNS, how is BALL written in the same code? (a) MMBC (b) LLAB (c) KKZA (d) AZKK
  32. 32.If LION is written as ORLM, how is WIND written in the same code? (a) XJOE (b) CQLV (c) ESNX (d) DRMW
  33. 33.If CAKE is written as ECMG, how is CAT written in the same code? (a) DBU (b) AYR (c) ECV (d) FDW
  34. 34.If PARK is written as KRAP, how is SUN written in the same code? (a) MTR (b) TVO (c) NUS (d) OVT
  35. 35.If BALL is written as YZOO, how is STAR written in the same code? (a) HGZI (b) GFYH (c) TUBS (d) IHAJ
  36. 36.If PARK is written as QBSL, how is STAR written in the same code? (a) RSZQ (b) TUBS (c) UVCT (d) SBUT
  37. 37.If MILK is written as NJML, how is KITE written in the same code? (a) FUJL (b) LJUF (c) JHSD (d) MKVG
  38. 38.If RAIN is written as IZRM, how is SUN written in the same code? (a) GEL (b) TVO (c) HFM (d) IGN
  39. 39.If HAND is written as SZMW, how is GOLD written in the same code? (a) SKNV (b) HPME (c) TLOW (d) UMPX
  40. 40.If NEST is written as VUGP, how is COLD written in the same code? (a) BJMA (b) FNQE (c) EQNF (d) DLOC

Answer key

  1. SQDD
  2. FPKY
  3. LLEB
  4. EFTL
  5. DNAH
  6. OLZK
  7. DRMW
  8. KOOB
  9. LLAB
  10. ZLQG
  11. FDNH
  12. MNNL
  13. KVM
  14. OJBS
  15. MDRS
  16. NOOM
  17. KLIM
  18. RTM
  19. KLIM
  20. FYLB
  21. RATS
  22. RCTM
  23. KRAP
  24. SBJO
  25. EKAC
  26. GVKM
  27. WIFN
  28. ORLM
  29. TLOW
  30. BPSK
  31. KKZA
  32. DRMW
  33. ECV
  34. NUS
  35. HGZI
  36. TUBS
  37. LJUF
  38. HFM
  39. TLOW
  40. FNQE

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