Coding Decoding Worksheet

Logical reasoning lesson 8: Coding–decoding · Set 630 · 40 questions

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.

1. 1.If DOG is written as GOD, how is FROG written in the same code? (a) HPSG (b) FNQE (c) GORF (d) GSPH
2. 2.If NEST is written as TSEN, how is CAT written in the same code? (a) DBU (b) UBD (c) TAC (d) SZB
3. 3.If FROG is written as UILT, how is CAKE written in the same code? (a) XZPV (b) WYOU (c) DBLF (d) YAQW
4. 4.If DOG is written as CNF, how is KITE written in the same code? (a) LJUF (b) JHSD (c) KITE (d) IGRC
5. 5.If HAND is written as SZMW, how is DRUM written in the same code? (a) XJGO (b) WIFN (c) VHEM (d) ESVN
6. 6.If TOYS is written as RXNS, how is WIND written in the same code? (a) EOJX (b) VHMC (c) CMHV (d) DNIW
7. 7.If LION is written as ORLM, how is GOLD written in the same code? (a) UMPX (b) HPME (c) SKNV (d) TLOW
8. 8.If LAMP is written as KZLO, how is RAIN written in the same code? (a) PYGL (b) SBJO (c) RAIN (d) QZHM
9. 9.If BELL is written as EHOO, how is TOYS written in the same code? (a) XSCW (b) VQAU (c) WRBV (d) QLVP
10. 10.If TOYS is written as TZPU, how is LION written in the same code? (a) OPJM (b) NOIL (c) MJPO (d) MNHK
11. 11.If STAR is written as QZSR, how is PARK written in the same code? (a) OZQJ (b) LSBQ (c) KRAP (d) JQZO
12. 12.If CAT is written as SZB, how is DRUM written in the same code? (a) MURD (b) CQTL (c) LTQC (d) NVSE
13. 13.If KITE is written as ETIK, how is STAR written in the same code? (a) TUBS (b) RATS (c) QZSR (d) SBUT
14. 14.If GOLD is written as TLOW, how is BELL written in the same code? (a) ZWPP (b) XUNN (c) YVOO (d) CFMM
15. 15.If MOON is written as KMML, how is DOG written in the same code? (a) FQI (b) ALD (c) CNF (d) BME
16. 16.If TREE is written as GIVV, how is STAR written in the same code? (a) GFYH (b) TUBS (c) IHAJ (d) HGZI
17. 17.If MILK is written as LHKJ, how is FROG written in the same code? (a) DPME (b) FROG (c) EQNF (d) GSPH
18. 18.If GOLD is written as FNQI, how is CAT written in the same code? (a) RYA (b) VCE (c) ECV (d) TAC
19. 19.If CAKE is written as XZPV, how is BELL written in the same code? (a) XUNN (b) ZWPP (c) CFMM (d) YVOO
20. 20.If WIND is written as DNIW, how is TOYS written in the same code? (a) TZPU (b) SYOT (c) UPZT (d) RXNS
21. 21.If WIND is written as XJOE, how is PARK written in the same code? (a) OZQJ (b) LSBQ (c) RCTM (d) QBSL
22. 22.If PEN is written as KVM, how is LION written in the same code? (a) MJPO (b) PSMN (c) NQKL (d) ORLM
23. 23.If TOYS is written as SYOT, how is BALL written in the same code? (a) MMBC (b) LLAB (c) KKZA (d) CBMM
24. 24.If HAND is written as FPCJ, how is KITE written in the same code? (a) MKVG (b) ETIK (c) CRGI (d) GVKM
25. 25.If COLD is written as BNKC, how is DOG written in the same code? (a) EPH (b) DOG (c) CNF (d) BME
26. 26.If LAMP is written as PMAL, how is SHIP written in the same code? (a) PIHS (b) OHGR (c) TIJQ (d) QJIT
27. 27.If GOLD is written as IQNF, how is TREE written in the same code? (a) RPCC (b) WUHH (c) VTGG (d) USFF
28. 28.If FISH is written as ILVK, how is WIND written in the same code? (a) AMRH (b) TFKA (c) YKPF (d) ZLQG
29. 29.If SUN is written as NUS, how is COLD written in the same code? (a) DPME (b) DLOC (c) EMPD (d) CKNB
30. 30.If LAMP is written as NCOR, how is BALL written in the same code? (a) CBMM (b) EDOO (c) DCNN (d) ZYJJ
31. 31.If KITE is written as ETIK, how is TOYS written in the same code? (a) TZPU (b) SYOT (c) RXNS (d) UPZT
32. 32.If DESK is written as MUGF, how is BALL written in the same code? (a) DCNN (b) LLAB (c) JJYZ (d) NNCD
33. 33.If HAND is written as EOBI, how is KITE written in the same code? (a) DSHJ (b) ETIK (c) LJUF (d) FUJL
34. 34.If CAT is written as AYR, how is SUN written in the same code? (a) RTM (b) UWP (c) PRK (d) QSL
35. 35.If TREE is written as EERT, how is FISH written in the same code? (a) GJTI (b) ITJG (c) GRHE (d) HSIF
36. 36.If DESK is written as LTFE, how is GOLD written in the same code? (a) CKNF (b) EMPH (c) HPME (d) DLOG
37. 37.If COLD is written as FROG, how is KITE written in the same code? (a) MKVG (b) HFQB (c) OMXI (d) NLWH
38. 38.If DRUM is written as WIFN, how is HAND written in the same code? (a) TANX (b) RYLV (c) IBOE (d) SZMW
39. 39.If COLD is written as EQNF, how is FISH written in the same code? (a) DGQF (b) ILVK (c) GJTI (d) HKUJ
40. 40.If CAT is written as DBU, how is MOON written in the same code? (a) OQQP (b) NPPO (c) LNNM (d) OPPN

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