58 Coding-Decoding MCQs from the General Intelligence & Reasoning section, with answers and short explanations.
Q1. If LIGHT is coded as OLJKW, how is TRAIN coded?
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Answer: C. WUDLQ
Each letter is shifted 3 place(s) forward in the alphabet, so TRAIN → WUDLQ.
Coding-Decoding · easy · Beginner Practice Set 1
Q2. If PAPER is coded as RCRGT, how is PLANT coded?
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Answer: A. RNCPV
Each letter is shifted 2 place(s) forward in the alphabet, so PLANT → RNCPV.
Coding-Decoding · easy · Beginner Practice Set 1
Q3. If MONEY is coded as OQPGA, how is CAT coded?
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Answer: D. ECV
Each letter is shifted 2 place(s) forward in the alphabet, so CAT → ECV.
Coding-Decoding · easy · Beginner Practice Set 2
Q4. If STONE is coded as UVQPG, how is LIGHT coded?
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Answer: B. NKIJV
Each letter is shifted 2 place(s) forward in the alphabet, so LIGHT → NKIJV.
Coding-Decoding · easy · Beginner Practice Set 2
Q5. In a certain code, CLOUD is written as FORXG. How is SCHOOL written in that code?
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Answer: B. VFKRRO
Each letter moves 3 places forward. So SCHOOL → VFKRRO.
Coding-Decoding · easy · Beginner Practice Set 3
Q6. In a certain code, PLANT is written as SODQW. How is HORSE written in that code?
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Answer: B. KRUVH
Each letter moves 3 places forward. So HORSE → KRUVH.
Coding-Decoding · easy · Beginner Practice Set 3
Q7. In a certain code, WINTER is written as ZLQWHU. How is BREAD written in that code?
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Answer: A. EUHDG
Each letter moves 3 places forward. So BREAD → EUHDG.
Coding-Decoding · easy · Beginner Practice Set 3
Q8. In a certain code, SILVER is written as VLOYHU. How is BASKET written in that code?
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Answer: A. EDVNHW
Each letter moves 3 places forward. So BASKET → EDVNHW.
Coding-Decoding · easy · Beginner Practice Set 4
Q9. In a certain code, SUMMER is written as RTLLDQ. How is MANGO written in that code?
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Answer: C. LZMFN
Each letter moves 1 place backward. So MANGO → LZMFN.
Coding-Decoding · easy · Beginner Practice Set 4
Q10. In a certain code, WINTER is written as ZLQWHU. How is SUGAR written in that code?
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Answer: A. VXJDU
Each letter moves 3 places forward. So SUGAR → VXJDU.
Coding-Decoding · easy · Beginner Practice Set 5
Q11. In a certain code, WATER is written as VZSDQ. How is GRAPE written in that code?
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Answer: B. FQZOD
Each letter moves 1 place backward. So GRAPE → FQZOD.
Coding-Decoding · easy · Beginner Practice Set 5
Q12. In a certain code, PENCIL is written as QFODJM. How is STONE written in that code?
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Answer: C. TUPOF
Each letter moves 1 place forward. So STONE → TUPOF.
Coding-Decoding · easy · Beginner Practice Set 5
Q13. In a certain code, BOTTLE is written as CPUUMF. How is DOCTOR written in that code?
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Answer: D. EPDUPS
Each letter moves 1 place forward. So DOCTOR → EPDUPS.
Coding-Decoding · easy · Beginner Practice Set 6
Q14. In a certain code, WINTER is written as XJOUFS. How is MANGO written in that code?
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Answer: C. NBOHP
Each letter moves 1 place forward. So MANGO → NBOHP.
Coding-Decoding · easy · Beginner Practice Set 6
Q15. In a certain code, CANDLE is written as ECPFNG. How is PLANT written in that code?
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Answer: A. RNCPV
Each letter moves 2 places forward. So PLANT → RNCPV.
Coding-Decoding · easy · Beginner Practice Set 6
Q16. In a certain code, BASKET is written as AZRJDS. How is WINDOW written in that code?
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Answer: A. VHMCNV
Each letter moves 1 place backward. So WINDOW → VHMCNV.
Coding-Decoding · easy · Beginner Practice Set 7
Q17. In a certain code, HORSE is written as KRUVH. How is JUNGLE written in that code?
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Answer: D. MXQJOH
Each letter moves 3 places forward. So JUNGLE → MXQJOH.
Coding-Decoding · easy · Beginner Practice Set 7
Q18. In a certain code, ORANGE is written as RUDQJH. How is PLANT written in that code?
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Answer: B. SODQW
Each letter moves 3 places forward. So PLANT → SODQW.
Coding-Decoding · easy · Beginner Practice Set 8
Q19. In a certain code, TABLE is written as UBCMF. How is SCHOOL written in that code?
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Answer: A. TDIPPM
Each letter moves 1 place forward. So SCHOOL → TDIPPM.
Coding-Decoding · easy · Beginner Practice Set 9
Q20. In a certain code, SCHOOL is written as TDIPPM. How is BRIDGE written in that code?
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Answer: D. CSJEHF
Each letter moves 1 place forward. So BRIDGE → CSJEHF.
Coding-Decoding · easy · Beginner Practice Set 10
Q21. In a certain code, CANDLE is written as BZMCKD. How is COTTON written in that code?
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Answer: A. BNSSNM
Each letter moves 1 place backward. So COTTON → BNSSNM.
Coding-Decoding · easy · Beginner Practice Set 11
Q22. In a certain code, PLANET is written as OKZMDS. How is COTTON written in that code?
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Answer: B. BNSSNM
Each letter moves 1 place backward. So COTTON → BNSSNM.
Coding-Decoding · easy · Beginner Practice Set 12
Q23. If PAPER is coded as OZODQ, how is EARTH coded?
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Answer: C. DZQSG
Each letter is shifted 1 place(s) backward in the alphabet, so EARTH → DZQSG.
Coding-Decoding · medium · Intermediate Practice Set 1
Q24. If EARTH is coded as GCTVJ, how is BOOK coded?
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Answer: A. DQQM
Each letter is shifted 2 place(s) forward in the alphabet, so BOOK → DQQM.
Coding-Decoding · medium · Intermediate Practice Set 1
Q25. If MONEY is coded as LNMDX, how is BOOK coded?
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Answer: C. ANNJ
Each letter is shifted 1 place(s) backward in the alphabet, so BOOK → ANNJ.
Coding-Decoding · medium · Intermediate Practice Set 1
Q26. If PLANT is coded as RNCPV, how is MONEY coded?
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Answer: D. OQPGA
Each letter is shifted 2 place(s) forward in the alphabet, so MONEY → OQPGA.
Coding-Decoding · medium · Intermediate Practice Set 2
Q27. If BOOK is coded as DQQM, how is EARTH coded?
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Answer: B. GCTVJ
Each letter is shifted 2 place(s) forward in the alphabet, so EARTH → GCTVJ.
Coding-Decoding · medium · Intermediate Practice Set 2
Q28. If CAT is coded as FDW, how is LIGHT coded?
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Answer: A. OLJKW
Each letter is shifted 3 place(s) forward in the alphabet, so LIGHT → OLJKW.
Coding-Decoding · medium · Intermediate Practice Set 2
Q29. In a certain code, SILVER is written as HROEVI. How is PAPER written in that code?
Show answer
Answer: B. KZKVI
Each letter is replaced by its opposite letter (A↔Z, B↔Y, …). So PAPER → KZKVI.
Coding-Decoding · medium · Intermediate Practice Set 3
Q30. In a certain code, BREAD is written as YIVZW. How is SUMMER written in that code?
Show answer
Answer: B. HFNNVI
Each letter is replaced by its opposite letter (A↔Z, B↔Y, …). So SUMMER → HFNNVI.
Coding-Decoding · medium · Intermediate Practice Set 3
Q31. In a certain code, FLOWER is written as SFXPMG. How is WINDOW written in that code?
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Answer: C. XPEOJX
Each letter moves 1 place forward and the result is reversed. So WINDOW → XPEOJX.
Coding-Decoding · medium · Intermediate Practice Set 4
Q32. In a certain code, BASKET is written as YZHPVG. How is PLANT written in that code?
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Answer: D. KOZMG
Each letter is replaced by its opposite letter (A↔Z, B↔Y, …). So PLANT → KOZMG.
Coding-Decoding · medium · Intermediate Practice Set 4
Q33. In a certain code, TIGER is written as TGIKV. How is JUNGLE written in that code?
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Answer: C. GNIPWL
Each letter moves 2 places forward and the result is reversed. So JUNGLE → GNIPWL.
Coding-Decoding · medium · Intermediate Practice Set 5
Q34. In a certain code, WINTER is written as DRMGVI. How is CHAIR written in that code?
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Answer: A. XSZRI
Each letter is replaced by its opposite letter (A↔Z, B↔Y, …). So CHAIR → XSZRI.
Coding-Decoding · medium · Intermediate Practice Set 5
Q35. In a certain code, GRAPE is written as FQBSH. How is MARKET written in that code?
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Answer: A. UFLSBN
Each letter moves 1 place forward and the result is reversed. So MARKET → UFLSBN.
Coding-Decoding · medium · Intermediate Practice Set 6
Q36. In a certain code, HOUSE is written as SLFHV. How is TIGER written in that code?
Show answer
Answer: A. GRTVI
Each letter is replaced by its opposite letter (A↔Z, B↔Y, …). So TIGER → GRTVI.
Coding-Decoding · medium · Intermediate Practice Set 6
Q37. In a certain code, PLANET is written as KOZMVG. How is RIVER written in that code?
Show answer
Answer: B. IREVI
Each letter is replaced by its opposite letter (A↔Z, B↔Y, …). So RIVER → IREVI.
Coding-Decoding · medium · Intermediate Practice Set 7
Q38. In a certain code, TABLE is written as GNDCV. How is RIVER written in that code?
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Answer: B. TGXKT
Each letter moves 2 places forward and the result is reversed. So RIVER → TGXKT.
Coding-Decoding · medium · Intermediate Practice Set 8
Q39. In a certain code, CANDLE is written as XZMWOV. How is PENCIL written in that code?
Show answer
Answer: A. KVMXRO
Each letter is replaced by its opposite letter (A↔Z, B↔Y, …). So PENCIL → KVMXRO.
Coding-Decoding · medium · Intermediate Practice Set 10
Q40. If TRAIN is coded as VTCKP, how is DOG coded?
Show answer
Answer: B. FQI
Each letter is shifted 2 place(s) forward in the alphabet, so DOG → FQI.
Coding-Decoding · hard · Advanced Practice Set 1
Q41. If HOUSE is coded as JQWUG, how is CAT coded?
Show answer
Answer: C. ECV
Each letter is shifted 2 place(s) forward in the alphabet, so CAT → ECV.
Coding-Decoding · hard · Advanced Practice Set 1
Q42. If HOUSE is coded as FMSQC, how is LIGHT coded?
Show answer
Answer: D. JGEFR
Each letter is shifted 2 place(s) backward in the alphabet, so LIGHT → JGEFR.
Coding-Decoding · hard · Advanced Practice Set 1
Q43. If WATER is coded as YCVGT, how is RIVER coded?
Show answer
Answer: D. TKXGT
Each letter is shifted 2 place(s) forward in the alphabet, so RIVER → TKXGT.
Coding-Decoding · hard · Advanced Practice Set 2
Q44. If DOG is coded as BME, how is STONE coded?
Show answer
Answer: C. QRMLC
Each letter is shifted 2 place(s) backward in the alphabet, so STONE → QRMLC.
Coding-Decoding · hard · Advanced Practice Set 2
Q45. If RIVER is coded as QHUDQ, how is STONE coded?
Show answer
Answer: B. RSNMD
Each letter is shifted 1 place(s) backward in the alphabet, so STONE → RSNMD.
Coding-Decoding · hard · Advanced Practice Set 2
Q46. In a certain code, CANDLE is written as 78. How is CLOUD written in that code?
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Answer: A. 110
Code = 2 × (sum of letter positions). CANDLE: 2 × 39 = 78. CLOUD: 2 × 55 = 110.
Coding-Decoding · hard · Advanced Practice Set 3
Q47. In a certain code, FOREST is written as 166. How is RIVER written in that code?
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Answer: D. 144
Code = 2 × (sum of letter positions). FOREST: 2 × 83 = 166. RIVER: 2 × 72 = 144.
Coding-Decoding · hard · Advanced Practice Set 3
Q48. In a certain code, SCHOOL is written as 144. How is LIGHT written in that code?
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Answer: D. 112
Code = 2 × (sum of letter positions). SCHOOL: 2 × 72 = 144. LIGHT: 2 × 56 = 112.
Coding-Decoding · hard · Advanced Practice Set 4
Q49. In a certain code, COTTON is written as 174. How is TIGER written in that code?
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Answer: A. 118
Code = 2 × (sum of letter positions). COTTON: 2 × 87 = 174. TIGER: 2 × 59 = 118.
Coding-Decoding · hard · Advanced Practice Set 4
Q50. If EAGLE is coded as 30, then how is FLOWER coded? (Code = sum of letter positions)
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Answer: D. 79
FLOWER: 6 + 12 + 15 + 23 + 5 + 18 = 79.
Coding-Decoding · hard · Advanced Practice Set 4
Q51. In a certain code, FOREST is written as 166. How is PENCIL written in that code?
Show answer
Answer: C. 118
Code = 2 × (sum of letter positions). FOREST: 2 × 83 = 166. PENCIL: 2 × 59 = 118.
Coding-Decoding · hard · Advanced Practice Set 5
Q52. If SUGAR is coded as 66, then how is CHAIR coded? (Code = sum of letter positions)
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Answer: C. 39
CHAIR: 3 + 8 + 1 + 9 + 18 = 39.
Coding-Decoding · hard · Advanced Practice Set 5
Q53. In a certain code, SILVER is written as 170. How is CLOUD written in that code?
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Answer: A. 110
Code = 2 × (sum of letter positions). SILVER: 2 × 85 = 170. CLOUD: 2 × 55 = 110.
Coding-Decoding · hard · Advanced Practice Set 6
Q54. In a certain code, CAMERA is written as 82. How is TRAIN written in that code?
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Answer: B. 124
Code = 2 × (sum of letter positions). CAMERA: 2 × 41 = 82. TRAIN: 2 × 62 = 124.
Coding-Decoding · hard · Advanced Practice Set 6
Q55. If CLOUD is coded as 55, then how is WATER coded? (Code = sum of letter positions)
Show answer
Answer: C. 67
WATER: 23 + 1 + 20 + 5 + 18 = 67.
Coding-Decoding · hard · Advanced Practice Set 6
Q56. In a certain code, FLOWER is written as 158. How is PENCIL written in that code?
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Answer: B. 118
Code = 2 × (sum of letter positions). FLOWER: 2 × 79 = 158. PENCIL: 2 × 59 = 118.
Coding-Decoding · hard · Advanced Practice Set 7
Q57. If CLOUD is coded as 55, then how is PLANET coded? (Code = sum of letter positions)
Show answer
Answer: C. 68
PLANET: 16 + 12 + 1 + 14 + 5 + 20 = 68.
Coding-Decoding · hard · Advanced Practice Set 8
Q58. If SILVER is coded as 85, then how is EAGLE coded? (Code = sum of letter positions)
Show answer
Answer: C. 30
EAGLE: 5 + 1 + 7 + 12 + 5 = 30.
Coding-Decoding · hard · Advanced Practice Set 9