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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 289 · 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 BALL written in the same code? (a) MMBC (b) CBMM (c) LLAB (d) KKZA
  2. 2.If SUN is written as TVO, how is COLD written in the same code? (a) DPME (b) BNKC (c) EMPD (d) EQNF
  3. 3.If SHIP is written as HSRK, how is PEN written in the same code? (a) KVM (b) LWN (c) QFO (d) JUL
  4. 4.If DRUM is written as NVSE, how is SUN written in the same code? (a) MTR (b) NUS (c) TVO (d) OVT
  5. 5.If FISH is written as DGQF, how is LAMP written in the same code? (a) IXJM (b) NCOR (c) KZLO (d) JYKN
  6. 6.If HAND is written as IBOE, how is CAT written in the same code? (a) ECV (b) DBU (c) UBD (d) BZS
  7. 7.If DRUM is written as OWTF, how is BALL written in the same code? (a) JJYZ (b) NNCD (c) LLAB (d) DCNN
  8. 8.If NEST is written as UTFO, how is STAR written in the same code? (a) QZSR (b) RATS (c) SBUT (d) TUBS
  9. 9.If DOG is written as CNF, how is DRUM written in the same code? (a) BPSK (b) DRUM (c) CQTL (d) ESVN
  10. 10.If LAMP is written as OZNK, how is BOOK written in the same code? (a) CPPL (b) XKKO (c) YLLP (d) ZMMQ
  11. 11.If SHIP is written as RGHO, how is LION written in the same code? (a) JGML (b) KHNM (c) LION (d) MJPO
  12. 12.If HAND is written as FPCJ, how is SUN written in the same code? (a) PWU (b) NUS (c) LSQ (d) UWP
  13. 13.If BALL is written as KKZA, how is GOLD written in the same code? (a) EMPH (b) FNKC (c) DLOG (d) CKNF
  14. 14.If BALL is written as YZOO, how is KITE written in the same code? (a) OQFU (b) QSHW (c) PRGV (d) LJUF
  15. 15.If MOON is written as LNNM, how is SHIP written in the same code? (a) RGHO (b) QFGN (c) SHIP (d) TIJQ
  16. 16.If PEN is written as ODM, how is LION written in the same code? (a) LION (b) JGML (c) KHNM (d) MJPO
  17. 17.If PEN is written as KVM, how is PARK written in the same code? (a) QBSL (b) KZIP (c) LAJQ (d) JYHO
  18. 18.If LAMP is written as ROCN, how is SHIP written in the same code? (a) PIHS (b) UJKR (c) NGFQ (d) RKJU
  19. 19.If FISH is written as HSIF, how is KITE written in the same code? (a) ETIK (b) DSHJ (c) LJUF (d) FUJL
  20. 20.If FROG is written as UILT, how is WIND written in the same code? (a) DRMW (b) XJOE (c) ESNX (d) CQLV
  21. 21.If CAT is written as TAC, how is CAKE written in the same code? (a) DJZB (b) DBLF (c) FLBD (d) EKAC
  22. 22.If COLD is written as DLOC, how is BOOK written in the same code? (a) CPPL (b) JNNA (c) LPPC (d) KOOB
  23. 23.If COLD is written as EMPD, how is RAIN written in the same code? (a) SBJO (b) NIAR (c) MHZQ (d) OJBS
  24. 24.If BELL is written as MMFC, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) JNNA (d) LPPC
  25. 25.If COLD is written as EMPD, how is FISH written in the same code? (a) GRHE (b) GJTI (c) ITJG (d) HSIF
  26. 26.If STAR is written as RATS, how is RAIN written in the same code? (a) OJBS (b) MHZQ (c) NIAR (d) SBJO
  27. 27.If DESK is written as KSED, how is FROG written in the same code? (a) GSPH (b) FNQE (c) HPSG (d) GORF
  28. 28.If CAT is written as XZG, how is BELL written in the same code? (a) YVOO (b) CFMM (c) ZWPP (d) XUNN
  29. 29.If LION is written as JGML, how is BOOK written in the same code? (a) ZMMI (b) YLLH (c) DQQM (d) ANNJ
  30. 30.If BALL is written as LLAB, how is STAR written in the same code? (a) QZSR (b) SBUT (c) TUBS (d) RATS
  31. 31.If WIND is written as FPKY, how is MOON written in the same code? (a) OQQP (b) LMMK (c) NOOM (d) PQQO
  32. 32.If BELL is written as EHOO, how is FISH written in the same code? (a) ILVK (b) HKUJ (c) CFPE (d) JMWL
  33. 33.If STAR is written as HGZI, how is LION written in the same code? (a) NQKL (b) PSMN (c) ORLM (d) MJPO
  34. 34.If KITE is written as LJUF, how is RAIN written in the same code? (a) OJBS (b) SBJO (c) TCKP (d) QZHM
  35. 35.If BALL is written as MMBC, how is BELL written in the same code? (a) LLEB (b) KKDA (c) CFMM (d) MMFC
  36. 36.If CAT is written as BZS, how is BALL written in the same code? (a) CBMM (b) BALL (c) AZKK (d) ZYJJ
  37. 37.If FROG is written as GORF, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) QBSL (d) JQZO
  38. 38.If FROG is written as UILT, how is SHIP written in the same code? (a) TIJQ (b) GRQJ (c) ITSL (d) HSRK
  39. 39.If COLD is written as FNQE, how is CAT written in the same code? (a) TAC (b) ECV (c) VCE (d) RYA
  40. 40.If SHIP is written as HSRK, how is BALL written in the same code? (a) ZAPP (b) XYNN (c) CBMM (d) YZOO

Answer key

  1. LLAB
  2. DPME
  3. KVM
  4. OVT
  5. JYKN
  6. DBU
  7. NNCD
  8. SBUT
  9. CQTL
  10. YLLP
  11. KHNM
  12. PWU
  13. CKNF
  14. PRGV
  15. RGHO
  16. KHNM
  17. KZIP
  18. RKJU
  19. ETIK
  20. DRMW
  21. EKAC
  22. KOOB
  23. OJBS
  24. LPPC
  25. ITJG
  26. NIAR
  27. GORF
  28. YVOO
  29. ZMMI
  30. RATS
  31. PQQO
  32. ILVK
  33. ORLM
  34. SBJO
  35. MMFC
  36. AZKK
  37. KRAP
  38. HSRK
  39. VCE
  40. YZOO

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