FIA Coding-Decoding MCQs (Solved Examples)
Posted: May 19th, 2026, 3:21 am
1. If CAT = DBU, then DOG = ? — EPH
2. If BOOK = CPPL, then PEN = ? — QFO
3. If APPLE = BQQMF, then BALL = ? — CBMM
4. If SUN = TVO, then MOON = ? — NPPO
5. If CAR = DBS, then BUS = ? — CVT
6. If FISH = GJTI, then BIRD = ? — CJSE
7. If PEN = QFO, then INK = ? — JOL
8. If TIGER = UJHFS, then LION = ? — MJPO
9. If BAT = CDU, then RAT = ? — SBU
10. If BAG = CBH, then DOG = EPH**
11. If GOOD = HPPE, then BAD = CBE**
12. If HAT = IBU, then CAP = DBQ**
13. If KING = LJOH, then QUEEN = RVFFO**
14. If PHONE = QIPOF, then MOBILE = NPCJMF**
15. If RED = SFE, then BLUE = CMVF**
16. If 123 = 234, then 456 = ? — 567
17. If 789 = 890, then 321 = ? — 432
18. If 246 = 357, then 135 = ? — 246
19. If 111 = 222, then 333 = ? — 444
20. If 908 = 019, then 675 = ? — 786
21. If CAT = XZG, then DOG = ? — WLT
22. If BAT = YZG, then RAT = ? — IZG
23. If APPLE = ZOOKV, then MANGO = ? — NZMTL
24. If PEN = KVM, then BOOK = YLLP**
25. If SUN = HFM, then SKY = HPB**
26. If A=1, B=2, C=3, then DOG = ? — 26
27. If A=1, Z=26, then CAT = ? — 24
28. If BAT = 23, then CAT = ? — 24
29. If PEN = 35, then INK = ? — 34
30. If CAR = 22, then BUS = ? — 58
31. If DELHI = EFMIJ, then KARACHI = ? — LBSBDIJ
32. If PAK = QBL, then FIA = ? — GJB
33. If FIA = GJB, then POLICE = ? — QPMJDF
34. If CODE = DPEF, then LOGIC = MPHJD**
35. If TRAIN = USBJO, then PLANE = QMBOF**
36. If BLACK = CMBDL, then WHITE = XIJUF**
37. If GOLD = HPME, then SILVER = TJMWFS**
38. If MOON = NPPO, then STAR = TUBS**
39. If EARTH = FBSUI, then SPACE = TQBDF**
40. If WATER = XBUFS, then FIRE = GJSF**
41. If KING = 75, then QUEEN = ? — 81
42. If BAT = 2-1-20, then CAT = ? — 3-1-20
43. If PEN = 16-5-14, then BOOK = ? — 2-15-15-11
44. If DOG = 4-15-7, then CAT = ? — 3-1-20
45. If APPLE = 1-16-16-12-5, then BALL = ? — 2-1-12-12
46. If A becomes Z, B becomes Y, then C becomes? — X
47. If CAT = XZG, then BAT = ? — YZG
48. If DOG = WLT, then FOG = ? — ULT
49. If PEN = KVM, then HEN = ? — SVM
50. If SKY = HPB, then BOY = YLB**
51. If 2=4, 3=9, 4=16, then 5=? — 25
52. If 1=A, 2=B, 3=C, then 6=? — F
53. If 26=Z, 25=Y, then 24=? — X
54. If CODE = 27, then DATA = ? — 26
55. If GAME = 26, then PLAY = ? — 58
56. If RAM = SBO, then ROM = SPN**
57. If BOOK = CPPL, then COPY = DPQZ**
58. If BIKE = CJLF, then CAR = DBS**
59. If HOME = IPNF, then HOUSE = IPVTF**
60. If MILK = NJML, then WATER = XBUFS**
61. If ALI = 1-12-9, then AHMED = ? — 1-8-13-5-4
62. If FIA = 6-9-1, then FBI = ? — 6-2-9
63. If CAT = 3-1-20, then DOG = ? — 4-15-7
64. If SUN = 19-21-14, then MOON = ? — 13-15-15-14
65. If PEN = 16-5-14, then BAG = ? — 2-1-7
66. If BLUE = CMVF, then GREEN = HSFFO**
67. If RED = SFE, then PINK = QJOL**
68. If WHITE = XIJUF, then BLACK = CMBDL**
69. If STAR = TUBS, then MOON = NPPO**
70. If GOLD = HPME, then SILVER = TJMWFS**
71. If ABC = 123, then CAB = ? — 312
72. If DOG = 4157, then GOD = ? — 7154
73. If CAT = 3120, then ACT = ? — 1320
74. If BAT = 2120, then TAB = ? — 20212
75. If PEN = 16514, then NIB = ? — 1492
76. If TRAIN = USBJO, then CAR = DBS**
77. If MOBILE = NPCJMF, then PHONE = QIPOF**
78. If APPLE = BQQMF, then MANGO = NBOHP**
79. If KING = LJOH, then QUEEN = RVFFO**
80. If BAG = CBH, then BOX = CPY**
81. If DELHI = 45689, then HELLO = ? — 85112
82. If CAT = 24, then BAT = ? — 23
83. If DOG = 26, then GOD = ? — 26
84. If PEN = 35, then BAG = ? — 10
85. If SKY = 55, then SUN = ? — 54
86. If A=Z, B=Y, then M=? — N
87. If C=F, D=G, then H=? — K
88. If P=S, Q=T, then R=? — U
89. If CAT = FDW, then DOG = ? — GRJ
90. If BAT = EDW, then RAT = ? — UDW
91. If 135 = 246, then 246 = ? — 357
92. If 111 = 333, then 222 = ? — 444
93. If 1234 = 2345, then 6789 = ? — 7890
94. If 908 = 019, then 123 = ? — 234
95. If 456 = 567, then 789 = ? — 890
96. If APPLE = 50, then BALL = ? — 27
97. If DOG = 26, then CAT = ? — 24
98. If KING = 41, then QUEEN = ? — 62
99. If CAR = 22, then JEEP = ? — 40
100. If PEN = 35, then BOOK = ? — 43
2. If BOOK = CPPL, then PEN = ? — QFO
3. If APPLE = BQQMF, then BALL = ? — CBMM
4. If SUN = TVO, then MOON = ? — NPPO
5. If CAR = DBS, then BUS = ? — CVT
6. If FISH = GJTI, then BIRD = ? — CJSE
7. If PEN = QFO, then INK = ? — JOL
8. If TIGER = UJHFS, then LION = ? — MJPO
9. If BAT = CDU, then RAT = ? — SBU
10. If BAG = CBH, then DOG = EPH**
11. If GOOD = HPPE, then BAD = CBE**
12. If HAT = IBU, then CAP = DBQ**
13. If KING = LJOH, then QUEEN = RVFFO**
14. If PHONE = QIPOF, then MOBILE = NPCJMF**
15. If RED = SFE, then BLUE = CMVF**
16. If 123 = 234, then 456 = ? — 567
17. If 789 = 890, then 321 = ? — 432
18. If 246 = 357, then 135 = ? — 246
19. If 111 = 222, then 333 = ? — 444
20. If 908 = 019, then 675 = ? — 786
21. If CAT = XZG, then DOG = ? — WLT
22. If BAT = YZG, then RAT = ? — IZG
23. If APPLE = ZOOKV, then MANGO = ? — NZMTL
24. If PEN = KVM, then BOOK = YLLP**
25. If SUN = HFM, then SKY = HPB**
26. If A=1, B=2, C=3, then DOG = ? — 26
27. If A=1, Z=26, then CAT = ? — 24
28. If BAT = 23, then CAT = ? — 24
29. If PEN = 35, then INK = ? — 34
30. If CAR = 22, then BUS = ? — 58
31. If DELHI = EFMIJ, then KARACHI = ? — LBSBDIJ
32. If PAK = QBL, then FIA = ? — GJB
33. If FIA = GJB, then POLICE = ? — QPMJDF
34. If CODE = DPEF, then LOGIC = MPHJD**
35. If TRAIN = USBJO, then PLANE = QMBOF**
36. If BLACK = CMBDL, then WHITE = XIJUF**
37. If GOLD = HPME, then SILVER = TJMWFS**
38. If MOON = NPPO, then STAR = TUBS**
39. If EARTH = FBSUI, then SPACE = TQBDF**
40. If WATER = XBUFS, then FIRE = GJSF**
41. If KING = 75, then QUEEN = ? — 81
42. If BAT = 2-1-20, then CAT = ? — 3-1-20
43. If PEN = 16-5-14, then BOOK = ? — 2-15-15-11
44. If DOG = 4-15-7, then CAT = ? — 3-1-20
45. If APPLE = 1-16-16-12-5, then BALL = ? — 2-1-12-12
46. If A becomes Z, B becomes Y, then C becomes? — X
47. If CAT = XZG, then BAT = ? — YZG
48. If DOG = WLT, then FOG = ? — ULT
49. If PEN = KVM, then HEN = ? — SVM
50. If SKY = HPB, then BOY = YLB**
51. If 2=4, 3=9, 4=16, then 5=? — 25
52. If 1=A, 2=B, 3=C, then 6=? — F
53. If 26=Z, 25=Y, then 24=? — X
54. If CODE = 27, then DATA = ? — 26
55. If GAME = 26, then PLAY = ? — 58
56. If RAM = SBO, then ROM = SPN**
57. If BOOK = CPPL, then COPY = DPQZ**
58. If BIKE = CJLF, then CAR = DBS**
59. If HOME = IPNF, then HOUSE = IPVTF**
60. If MILK = NJML, then WATER = XBUFS**
61. If ALI = 1-12-9, then AHMED = ? — 1-8-13-5-4
62. If FIA = 6-9-1, then FBI = ? — 6-2-9
63. If CAT = 3-1-20, then DOG = ? — 4-15-7
64. If SUN = 19-21-14, then MOON = ? — 13-15-15-14
65. If PEN = 16-5-14, then BAG = ? — 2-1-7
66. If BLUE = CMVF, then GREEN = HSFFO**
67. If RED = SFE, then PINK = QJOL**
68. If WHITE = XIJUF, then BLACK = CMBDL**
69. If STAR = TUBS, then MOON = NPPO**
70. If GOLD = HPME, then SILVER = TJMWFS**
71. If ABC = 123, then CAB = ? — 312
72. If DOG = 4157, then GOD = ? — 7154
73. If CAT = 3120, then ACT = ? — 1320
74. If BAT = 2120, then TAB = ? — 20212
75. If PEN = 16514, then NIB = ? — 1492
76. If TRAIN = USBJO, then CAR = DBS**
77. If MOBILE = NPCJMF, then PHONE = QIPOF**
78. If APPLE = BQQMF, then MANGO = NBOHP**
79. If KING = LJOH, then QUEEN = RVFFO**
80. If BAG = CBH, then BOX = CPY**
81. If DELHI = 45689, then HELLO = ? — 85112
82. If CAT = 24, then BAT = ? — 23
83. If DOG = 26, then GOD = ? — 26
84. If PEN = 35, then BAG = ? — 10
85. If SKY = 55, then SUN = ? — 54
86. If A=Z, B=Y, then M=? — N
87. If C=F, D=G, then H=? — K
88. If P=S, Q=T, then R=? — U
89. If CAT = FDW, then DOG = ? — GRJ
90. If BAT = EDW, then RAT = ? — UDW
91. If 135 = 246, then 246 = ? — 357
92. If 111 = 333, then 222 = ? — 444
93. If 1234 = 2345, then 6789 = ? — 7890
94. If 908 = 019, then 123 = ? — 234
95. If 456 = 567, then 789 = ? — 890
96. If APPLE = 50, then BALL = ? — 27
97. If DOG = 26, then CAT = ? — 24
98. If KING = 41, then QUEEN = ? — 62
99. If CAR = 22, then JEEP = ? — 40
100. If PEN = 35, then BOOK = ? — 43