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Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 20 · 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 DESK is written as BCQI, how is MOON written in the same code? (a) JLLK (b) LNNM (c) OQQP (d) KMML
  2. 2.If SHIP is written as PIHS, how is MILK written in the same code? (a) NJML (b) JKHL (c) KLIM (d) LMJN
  3. 3.If LAMP is written as OLZK, how is BALL written in the same code? (a) MMBC (b) LLAB (c) AZKK (d) KKZA
  4. 4.If BELL is written as ZCJJ, how is BALL written in the same code? (a) AZKK (b) ZYJJ (c) YXII (d) DCNN
  5. 5.If LION is written as KHNM, how is STAR written in the same code? (a) STAR (b) QRYP (c) TUBS (d) RSZQ
  6. 6.If PEN is written as NEP, how is BOOK written in the same code? (a) CPPL (b) KOOB (c) LPPC (d) JNNA
  7. 7.If RAIN is written as NIAR, how is CAT written in the same code? (a) DBU (b) UBD (c) TAC (d) SZB
  8. 8.If TREE is written as WUHH, how is KITE written in the same code? (a) NLWH (b) MKVG (c) OMXI (d) HFQB
  9. 9.If MILK is written as KLIM, how is RAIN written in the same code? (a) MHZQ (b) SBJO (c) NIAR (d) OJBS
  10. 10.If FROG is written as GSPH, how is PEN written in the same code? (a) OFQ (b) ODM (c) RGP (d) QFO
  11. 11.If BOOK is written as ZMMI, how is WIND written in the same code? (a) UGLB (b) VHMC (c) YKPF (d) TFKA
  12. 12.If MOON is written as NPPO, how is PEN written in the same code? (a) OFQ (b) RGP (c) ODM (d) QFO
  13. 13.If LION is written as ORLM, how is GOLD written in the same code? (a) TLOW (b) HPME (c) SKNV (d) UMPX
  14. 14.If MILK is written as LMJN, how is HAND written in the same code? (a) CMZG (b) EOBI (c) IBOE (d) DNAH
  15. 15.If DOG is written as WLT, how is BOAT written in the same code? (a) CPBU (b) ZMAH (c) XKYF (d) YLZG
  16. 16.If BELL is written as DGNN, how is BALL written in the same code? (a) DCNN (b) CBMM (c) ZYJJ (d) EDOO
  17. 17.If STAR is written as RATS, how is CAT written in the same code? (a) SZB (b) UBD (c) DBU (d) TAC
  18. 18.If RAIN is written as IZRM, how is MILK written in the same code? (a) MQNO (b) OSPQ (c) NJML (d) NROP
  19. 19.If BOOK is written as KOOB, how is TREE written in the same code? (a) EERT (b) DDQS (c) FFSU (d) USFF
  20. 20.If HAND is written as JCPF, how is CAKE written in the same code? (a) ECMG (b) AYIC (c) FDNH (d) DBLF
  21. 21.If HAND is written as DNAH, how is FROG written in the same code? (a) GORF (b) FNQE (c) HPSG (d) GSPH
  22. 22.If TOYS is written as SYOT, how is BOOK written in the same code? (a) KOOB (b) CPPL (c) JNNA (d) LPPC
  23. 23.If DRUM is written as FTWO, how is PARK written in the same code? (a) NYPI (b) QBSL (c) SDUN (d) RCTM
  24. 24.If BOAT is written as DQCV, how is TREE written in the same code? (a) WUHH (b) USFF (c) VTGG (d) RPCC
  25. 25.If PEN is written as PGR, how is HAND written in the same code? (a) DNAH (b) JCPF (c) BLYF (d) FPCJ
  26. 26.If TREE is written as EERT, how is KITE written in the same code? (a) LJUF (b) DSHJ (c) ETIK (d) FUJL
  27. 27.If BELL is written as YVOO, how is BOAT written in the same code? (a) CPBU (b) YLZG (c) ZMAH (d) XKYF
  28. 28.If HAND is written as FYLB, how is MOON written in the same code? (a) LNNM (b) OQQP (c) KMML (d) JLLK
  29. 29.If PARK is written as KRAP, how is HAND written in the same code? (a) DNAH (b) CMZG (c) EOBI (d) IBOE
  30. 30.If KITE is written as MKVG, how is LAMP written in the same code? (a) NCOR (b) JYKN (c) MBNQ (d) ODPS
  31. 31.If DOG is written as GOD, how is MILK written in the same code? (a) JKHL (b) NJML (c) KLIM (d) LMJN
  32. 32.If STAR is written as TCVU, how is TREE written in the same code? (a) EERT (b) VTGG (c) GGTV (d) CCPR
  33. 33.If PEN is written as KVM, how is MOON written in the same code? (a) OMMN (b) NLLM (c) NPPO (d) MKKL
  34. 34.If NEST is written as OFTU, how is STAR written in the same code? (a) RSZQ (b) UVCT (c) SBUT (d) TUBS
  35. 35.If MOON is written as MNNL, how is CAKE written in the same code? (a) FLBD (b) BZJD (c) EKAC (d) DJZB
  36. 36.If MOON is written as NOOM, how is RAIN written in the same code? (a) SBJO (b) MHZQ (c) NIAR (d) OJBS
  37. 37.If KITE is written as DSHJ, how is PEN written in the same code? (a) ODM (b) NEP (c) OFQ (d) MDO
  38. 38.If CAKE is written as XZPV, how is BELL written in the same code? (a) XUNN (b) YVOO (c) CFMM (d) ZWPP
  39. 39.If KITE is written as ETIK, how is GOLD written in the same code? (a) HPME (b) EMPH (c) CKNF (d) DLOG
  40. 40.If TREE is written as FFSU, how is SHIP written in the same code? (a) PIHS (b) TIJQ (c) QJIT (d) OHGR

Answer key

  1. KMML
  2. KLIM
  3. KKZA
  4. ZYJJ
  5. RSZQ
  6. KOOB
  7. TAC
  8. NLWH
  9. NIAR
  10. QFO
  11. UGLB
  12. QFO
  13. TLOW
  14. EOBI
  15. YLZG
  16. DCNN
  17. TAC
  18. NROP
  19. EERT
  20. ECMG
  21. GORF
  22. KOOB
  23. RCTM
  24. VTGG
  25. FPCJ
  26. ETIK
  27. YLZG
  28. KMML
  29. DNAH
  30. NCOR
  31. KLIM
  32. GGTV
  33. NLLM
  34. TUBS
  35. DJZB
  36. NIAR
  37. MDO
  38. YVOO
  39. DLOG
  40. QJIT

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