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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 930 · 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 TREE is written as EERT, how is DESK written in the same code? (a) JRDC (b) KSED (c) EFTL (d) LTFE
  2. 2.If BOAT is written as DQCV, how is FISH written in the same code? (a) HKUJ (b) DGQF (c) GJTI (d) ILVK
  3. 3.If NEST is written as TSEN, how is JUMP written in the same code? (a) KVNQ (b) OLTI (c) PMUJ (d) QNVK
  4. 4.If BOAT is written as YLZG, how is BOOK written in the same code? (a) ZMMQ (b) CPPL (c) YLLP (d) XKKO
  5. 5.If LAMP is written as MBNQ, how is KITE written in the same code? (a) MKVG (b) LJUF (c) FUJL (d) JHSD
  6. 6.If PEN is written as NEP, how is NEST written in the same code? (a) SRDM (b) UTFO (c) OFTU (d) TSEN
  7. 7.If BOAT is written as UBPC, how is JUMP written in the same code? (a) PMUJ (b) KVNQ (c) OLTI (d) QNVK
  8. 8.If MILK is written as MNKO, how is BALL written in the same code? (a) NNCD (b) LLAB (c) DCNN (d) JJYZ
  9. 9.If LION is written as NOIL, how is KITE written in the same code? (a) ETIK (b) FUJL (c) DSHJ (d) LJUF
  10. 10.If RAIN is written as OJBS, how is LION written in the same code? (a) MJPO (b) NOIL (c) MNHK (d) OPJM
  11. 11.If WIND is written as FPKY, how is NEST written in the same code? (a) VUGP (b) TSEN (c) PGUV (d) RQCL
  12. 12.If TREE is written as VTGG, how is DRUM written in the same code? (a) GUXP (b) BPSK (c) FTWO (d) ESVN
  13. 13.If BOOK is written as YLLP, how is BALL written in the same code? (a) YZOO (b) ZAPP (c) CBMM (d) XYNN
  14. 14.If MILK is written as KLIM, how is BOOK written in the same code? (a) JNNA (b) LPPC (c) KOOB (d) CPPL
  15. 15.If SHIP is written as HSRK, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) YAQW (d) XZPV
  16. 16.If SUN is written as NUS, how is RAIN written in the same code? (a) MHZQ (b) OJBS (c) SBJO (d) NIAR
  17. 17.If PEN is written as QFO, how is MILK written in the same code? (a) NJML (b) LHKJ (c) LMJN (d) OKNM
  18. 18.If LION is written as NOIL, how is STAR written in the same code? (a) TUBS (b) RATS (c) QZSR (d) SBUT
  19. 19.If FISH is written as JUKH, how is BOAT written in the same code? (a) TAOB (b) RYMZ (c) VCQD (d) DQCV
  20. 20.If TOYS is written as UPZT, how is CAT written in the same code? (a) DBU (b) BZS (c) ECV (d) UBD
  21. 21.If HAND is written as KDQG, how is KITE written in the same code? (a) MKVG (b) HFQB (c) OMXI (d) NLWH
  22. 22.If PEN is written as SHQ, how is FROG written in the same code? (a) HTQI (b) JVSK (c) IURJ (d) COLD
  23. 23.If DESK is written as CDRJ, how is DOG written in the same code? (a) BME (b) DOG (c) EPH (d) CNF
  24. 24.If NEST is written as MVHG, how is WIND written in the same code? (a) CQLV (b) DRMW (c) XJOE (d) ESNX
  25. 25.If MILK is written as PLON, how is SHIP written in the same code? (a) WLMT (b) VKLS (c) UJKR (d) PEFM
  26. 26.If DOG is written as EPH, how is SHIP written in the same code? (a) UJKR (b) QJIT (c) RGHO (d) TIJQ
  27. 27.If RAIN is written as PKCT, how is HAND written in the same code? (a) BLYF (b) JCPF (c) DNAH (d) FPCJ
  28. 28.If NEST is written as MVHG, how is PARK written in the same code? (a) JYHO (b) KZIP (c) QBSL (d) LAJQ
  29. 29.If PARK is written as KZIP, how is PEN written in the same code? (a) JUL (b) LWN (c) QFO (d) KVM
  30. 30.If WIND is written as EOJX, how is SUN written in the same code? (a) MTR (b) OVT (c) NUS (d) TVO
  31. 31.If STAR is written as UVCT, how is COLD written in the same code? (a) DPME (b) EQNF (c) AMJB (d) FROG
  32. 32.If COLD is written as DPME, how is PEN written in the same code? (a) ODM (b) QFO (c) OFQ (d) RGP
  33. 33.If DOG is written as WLT, how is CAKE written in the same code? (a) WYOU (b) DBLF (c) XZPV (d) YAQW
  34. 34.If SHIP is written as HSRK, how is BELL written in the same code? (a) CFMM (b) XUNN (c) ZWPP (d) YVOO
  35. 35.If BOAT is written as ANZS, how is KITE written in the same code? (a) LJUF (b) JHSD (c) IGRC (d) KITE
  36. 36.If MILK is written as JKHL, how is MOON written in the same code? (a) MNNL (b) OPPN (c) NOOM (d) LNNM
  37. 37.If RAIN is written as MHZQ, how is COLD written in the same code? (a) BNKC (b) EMPD (c) CKNB (d) DLOC
  38. 38.If SHIP is written as PIHS, how is PARK written in the same code? (a) LSBQ (b) KRAP (c) JQZO (d) QBSL
  39. 39.If NEST is written as TSEN, how is COLD written in the same code? (a) DPME (b) EMPD (c) DLOC (d) CKNB
  40. 40.If TOYS is written as RMWQ, how is MOON written in the same code? (a) OQQP (b) LNNM (c) JLLK (d) KMML

Answer key

  1. KSED
  2. HKUJ
  3. PMUJ
  4. YLLP
  5. LJUF
  6. TSEN
  7. QNVK
  8. NNCD
  9. ETIK
  10. OPJM
  11. VUGP
  12. FTWO
  13. YZOO
  14. KOOB
  15. XZPV
  16. NIAR
  17. NJML
  18. RATS
  19. VCQD
  20. DBU
  21. NLWH
  22. IURJ
  23. CNF
  24. DRMW
  25. VKLS
  26. TIJQ
  27. FPCJ
  28. KZIP
  29. KVM
  30. OVT
  31. EQNF
  32. QFO
  33. XZPV
  34. YVOO
  35. JHSD
  36. MNNL
  37. CKNB
  38. KRAP
  39. DLOC
  40. KMML

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