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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 90 · 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 VCE, how is BOOK written in the same code? (a) IMMZ (b) KOOB (c) DQQM (d) MQQD
  2. 2.If LAMP is written as OZNK, how is MOON written in the same code? (a) NLLM (b) OMMN (c) MKKL (d) NPPO
  3. 3.If STAR is written as HGZI, how is PEN written in the same code? (a) LWN (b) KVM (c) JUL (d) QFO
  4. 4.If GOLD is written as TLOW, how is FROG written in the same code? (a) UILT (b) GSPH (c) VJMU (d) THKS
  5. 5.If TOYS is written as TZPU, how is JUMP written in the same code? (a) KVNQ (b) PMUJ (c) OLTI (d) QNVK
  6. 6.If CAT is written as XZG, how is COLD written in the same code? (a) YMPX (b) DPME (c) WKNV (d) XLOW
  7. 7.If TOYS is written as SYOT, how is BALL written in the same code? (a) LLAB (b) KKZA (c) MMBC (d) CBMM
  8. 8.If TREE is written as EERT, how is BELL written in the same code? (a) MMFC (b) CFMM (c) LLEB (d) KKDA
  9. 9.If FISH is written as HSIF, how is LAMP written in the same code? (a) MBNQ (b) PMAL (c) QNBM (d) OLZK
  10. 10.If BOOK is written as ANNJ, how is DESK written in the same code? (a) DESK (b) CDRJ (c) BCQI (d) EFTL
  11. 11.If FISH is written as EHRG, how is MILK written in the same code? (a) KGJI (b) LHKJ (c) MILK (d) NJML
  12. 12.If CAT is written as TAC, how is MOON written in the same code? (a) NPPO (b) MNNL (c) NOOM (d) OPPN
  13. 13.If CAKE is written as AYIC, how is DOG written in the same code? (a) ALD (b) FQI (c) BME (d) CNF
  14. 14.If COLD is written as EMPD, how is SHIP written in the same code? (a) PIHS (b) TIJQ (c) QJIT (d) OHGR
  15. 15.If HAND is written as GZMC, how is MOON written in the same code? (a) KMML (b) MOON (c) NPPO (d) LNNM
  16. 16.If GOLD is written as DLOG, how is HAND written in the same code? (a) EOBI (b) DNAH (c) IBOE (d) CMZG
  17. 17.If FROG is written as IQTH, how is MILK written in the same code? (a) MNKO (b) OKNM (c) IJGK (d) KLIM
  18. 18.If HAND is written as SZMW, how is BOOK written in the same code? (a) ZMMQ (b) XKKO (c) CPPL (d) YLLP
  19. 19.If MOON is written as NLLM, how is MILK written in the same code? (a) NROP (b) NJML (c) OSPQ (d) MQNO
  20. 20.If BOAT is written as DQCV, how is MILK written in the same code? (a) PLON (b) KGJI (c) NJML (d) OKNM
  21. 21.If RAIN is written as PKCT, how is WIND written in the same code? (a) FPKY (b) YKPF (c) DNIW (d) BLGU
  22. 22.If DRUM is written as GUXP, how is TREE written in the same code? (a) QOBB (b) VTGG (c) XVII (d) WUHH
  23. 23.If DESK is written as MUGF, how is TOYS written in the same code? (a) SYOT (b) UAQV (c) VQAU (d) QWMR
  24. 24.If RAIN is written as NIAR, how is BELL written in the same code? (a) CFMM (b) KKDA (c) LLEB (d) MMFC
  25. 25.If CAT is written as SZB, how is JUMP written in the same code? (a) ITLO (b) PMUJ (c) QNVK (d) OLTI
  26. 26.If TOYS is written as TZPU, how is NEST written in the same code? (a) SRDM (b) TSEN (c) UTFO (d) OFTU
  27. 27.If TREE is written as VTGG, how is SUN written in the same code? (a) UWP (b) VXQ (c) TVO (d) QSL
  28. 28.If WIND is written as DRMW, how is HAND written in the same code? (a) SZMW (b) RYLV (c) IBOE (d) TANX
  29. 29.If SUN is written as PWU, how is TOYS written in the same code? (a) VQAU (b) QWMR (c) UAQV (d) SYOT
  30. 30.If SHIP is written as QJIT, how is BELL written in the same code? (a) CFMM (b) MMFC (c) LLEB (d) KKDA
  31. 31.If FISH is written as ILVK, how is COLD written in the same code? (a) FROG (b) ZLIA (c) EQNF (d) GSPH
  32. 32.If FISH is written as ITJG, how is SUN written in the same code? (a) OVT (b) NUS (c) MTR (d) TVO
  33. 33.If LION is written as MNHK, how is LAMP written in the same code? (a) KZLO (b) OLZK (c) QNBM (d) PMAL
  34. 34.If STAR is written as RSZQ, how is BOOK written in the same code? (a) BOOK (b) ZMMI (c) CPPL (d) ANNJ
  35. 35.If BOAT is written as TAOB, how is MILK written in the same code? (a) JKHL (b) NJML (c) KLIM (d) LMJN
  36. 36.If WIND is written as XJOE, how is SHIP written in the same code? (a) TIJQ (b) UJKR (c) RGHO (d) QJIT
  37. 37.If STAR is written as TCVU, how is DRUM written in the same code? (a) MURD (b) KSPB (c) FTWO (d) OWTF
  38. 38.If SHIP is written as OHGR, how is BOOK written in the same code? (a) ANNJ (b) KOOB (c) LPPC (d) JNNA
  39. 39.If SUN is written as NUS, how is BOAT written in the same code? (a) SZNA (b) CPBU (c) UBPC (d) TAOB
  40. 40.If CAKE is written as ECMG, how is PEN written in the same code? (a) RGP (b) NCL (c) QFO (d) SHQ

Answer key

  1. MQQD
  2. NLLM
  3. KVM
  4. UILT
  5. QNVK
  6. XLOW
  7. LLAB
  8. LLEB
  9. PMAL
  10. CDRJ
  11. LHKJ
  12. NOOM
  13. BME
  14. QJIT
  15. LNNM
  16. DNAH
  17. MNKO
  18. YLLP
  19. NROP
  20. OKNM
  21. FPKY
  22. WUHH
  23. UAQV
  24. LLEB
  25. OLTI
  26. UTFO
  27. UWP
  28. SZMW
  29. UAQV
  30. MMFC
  31. FROG
  32. OVT
  33. OLZK
  34. ANNJ
  35. KLIM
  36. TIJQ
  37. OWTF
  38. JNNA
  39. TAOB
  40. RGP

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