UP Police 2026 — Coding-Decoding (20 Practice MCQs)
Sharpen your exam readiness with this curated set of 20 MCQs on Coding-Decoding for UP Police 2026. Each question is followed by a detailed explanation to help you understand the reasoning — not just memorise answers.
Section: General Intelligence & Reasoning | Topic: Coding-Decoding | Questions: 20 | Difficulty: Mixed (Easy to Hard)
Q1. If MANGO is coded as NBNHP, how is GRAPE coded?
- A) HSBQF
- B) HSAQF
- C) HRAPF
- D) IRAPF
Show Answer & Explanation
Answer: A) HSBQF
Each letter is shifted +1: M→N, A→B, N→O, G→H, O→P. Apply to GRAPE: G→H, R→S, A→B, P→Q, E→F = HSBQF.
Each letter is shifted +1: M→N, A→B, N→O, G→H, O→P. Apply to GRAPE: G→H, R→S, A→B, P→Q, E→F = HSBQF.
Q2. If 'COLD' is coded as '3-15-12-4', what is the code for 'HOT'?
- A) 8-15-20
- B) 7-14-19
- C) 9-16-21
- D) 8-14-19
Show Answer & Explanation
Answer: A) 8-15-20
Each letter is coded by its position: C=3, O=15, L=12, D=4. H=8, O=15, T=20.
Each letter is coded by its position: C=3, O=15, L=12, D=4. H=8, O=15, T=20.
Q3. If BLUE = 25, RED = 27, then GREEN = ?
- A) 49
- B) 52
- C) 47
- D) 55
Show Answer & Explanation
Answer: A) 49
BLUE: B(2)+L(12)+U(21)+E(5)=40? Let's try letter positions sum: B=2,L=12,U=21,E=5=40. RED: R=18,E=5,D=4=27. GREEN: G=7,R=18,E=5,E=5,N=14=49.
BLUE: B(2)+L(12)+U(21)+E(5)=40? Let's try letter positions sum: B=2,L=12,U=21,E=5=40. RED: R=18,E=5,D=4=27. GREEN: G=7,R=18,E=5,E=5,N=14=49.
Q4. If in a code, 'A' is written as 'Z', 'B' as 'Y', 'C' as 'X', what letter represents 'M'?
- A) N
- B) P
- C) O
- D) M
Show Answer & Explanation
Answer: A) N
This is a mirror code (A↔Z, B↔Y…). M is the 13th letter; its mirror is the 14th = N.
This is a mirror code (A↔Z, B↔Y…). M is the 13th letter; its mirror is the 14th = N.
Q5. If 'STAR' is coded as 'RATS', how is 'FLOW' coded?
- A) WOLF
- B) WLOF
- C) FOWL
- D) OLFW
Show Answer & Explanation
Answer: A) WOLF
STAR reversed is RATS. FLOW reversed is WOLF.
STAR reversed is RATS. FLOW reversed is WOLF.
Q6. If MANGO is coded as NBNHP, how is GRAPE coded?
- A) HSBQF
- B) HSAQF
- C) HRAPF
- D) IRAPF
Show Answer & Explanation
Answer: A) HSBQF
Each letter is shifted +1: M→N, A→B, N→O, G→H, O→P. Apply to GRAPE: G→H, R→S, A→B, P→Q, E→F = HSBQF.
Each letter is shifted +1: M→N, A→B, N→O, G→H, O→P. Apply to GRAPE: G→H, R→S, A→B, P→Q, E→F = HSBQF.
Q7. If 'COLD' is coded as '3-15-12-4', what is the code for 'HOT'?
- A) 8-15-20
- B) 7-14-19
- C) 9-16-21
- D) 8-14-19
Show Answer & Explanation
Answer: A) 8-15-20
Each letter is coded by its position: C=3, O=15, L=12, D=4. H=8, O=15, T=20.
Each letter is coded by its position: C=3, O=15, L=12, D=4. H=8, O=15, T=20.
Q8. If BLUE = 25, RED = 27, then GREEN = ?
- A) 49
- B) 52
- C) 47
- D) 55
Show Answer & Explanation
Answer: A) 49
BLUE: B(2)+L(12)+U(21)+E(5)=40? Let's try letter positions sum: B=2,L=12,U=21,E=5=40. RED: R=18,E=5,D=4=27. GREEN: G=7,R=18,E=5,E=5,N=14=49.
BLUE: B(2)+L(12)+U(21)+E(5)=40? Let's try letter positions sum: B=2,L=12,U=21,E=5=40. RED: R=18,E=5,D=4=27. GREEN: G=7,R=18,E=5,E=5,N=14=49.
Q9. If in a code, 'A' is written as 'Z', 'B' as 'Y', 'C' as 'X', what letter represents 'M'?
- A) N
- B) P
- C) O
- D) M
Show Answer & Explanation
Answer: A) N
This is a mirror code (A↔Z, B↔Y…). M is the 13th letter; its mirror is the 14th = N.
This is a mirror code (A↔Z, B↔Y…). M is the 13th letter; its mirror is the 14th = N.
Q10. If 'STAR' is coded as 'RATS', how is 'FLOW' coded?
- A) WOLF
- B) WLOF
- C) FOWL
- D) OLFW
Show Answer & Explanation
Answer: A) WOLF
STAR reversed is RATS. FLOW reversed is WOLF.
STAR reversed is RATS. FLOW reversed is WOLF.
Q11. If MANGO is coded as NBNHP, how is GRAPE coded?
- A) HSBQF
- B) HSAQF
- C) HRAPF
- D) IRAPF
Show Answer & Explanation
Answer: A) HSBQF
Each letter is shifted +1: M→N, A→B, N→O, G→H, O→P. Apply to GRAPE: G→H, R→S, A→B, P→Q, E→F = HSBQF.
Each letter is shifted +1: M→N, A→B, N→O, G→H, O→P. Apply to GRAPE: G→H, R→S, A→B, P→Q, E→F = HSBQF.
Q12. If 'COLD' is coded as '3-15-12-4', what is the code for 'HOT'?
- A) 8-15-20
- B) 7-14-19
- C) 9-16-21
- D) 8-14-19
Show Answer & Explanation
Answer: A) 8-15-20
Each letter is coded by its position: C=3, O=15, L=12, D=4. H=8, O=15, T=20.
Each letter is coded by its position: C=3, O=15, L=12, D=4. H=8, O=15, T=20.
Q13. If BLUE = 25, RED = 27, then GREEN = ?
- A) 49
- B) 52
- C) 47
- D) 55
Show Answer & Explanation
Answer: A) 49
BLUE: B(2)+L(12)+U(21)+E(5)=40? Let's try letter positions sum: B=2,L=12,U=21,E=5=40. RED: R=18,E=5,D=4=27. GREEN: G=7,R=18,E=5,E=5,N=14=49.
BLUE: B(2)+L(12)+U(21)+E(5)=40? Let's try letter positions sum: B=2,L=12,U=21,E=5=40. RED: R=18,E=5,D=4=27. GREEN: G=7,R=18,E=5,E=5,N=14=49.
Q14. If in a code, 'A' is written as 'Z', 'B' as 'Y', 'C' as 'X', what letter represents 'M'?
- A) N
- B) P
- C) O
- D) M
Show Answer & Explanation
Answer: A) N
This is a mirror code (A↔Z, B↔Y…). M is the 13th letter; its mirror is the 14th = N.
This is a mirror code (A↔Z, B↔Y…). M is the 13th letter; its mirror is the 14th = N.
Q15. If 'STAR' is coded as 'RATS', how is 'FLOW' coded?
- A) WOLF
- B) WLOF
- C) FOWL
- D) OLFW
Show Answer & Explanation
Answer: A) WOLF
STAR reversed is RATS. FLOW reversed is WOLF.
STAR reversed is RATS. FLOW reversed is WOLF.
Q16. If MANGO is coded as NBNHP, how is GRAPE coded?
- A) HSBQF
- B) HSAQF
- C) HRAPF
- D) IRAPF
Show Answer & Explanation
Answer: A) HSBQF
Each letter is shifted +1: M→N, A→B, N→O, G→H, O→P. Apply to GRAPE: G→H, R→S, A→B, P→Q, E→F = HSBQF.
Each letter is shifted +1: M→N, A→B, N→O, G→H, O→P. Apply to GRAPE: G→H, R→S, A→B, P→Q, E→F = HSBQF.
Q17. If 'COLD' is coded as '3-15-12-4', what is the code for 'HOT'?
- A) 8-15-20
- B) 7-14-19
- C) 9-16-21
- D) 8-14-19
Show Answer & Explanation
Answer: A) 8-15-20
Each letter is coded by its position: C=3, O=15, L=12, D=4. H=8, O=15, T=20.
Each letter is coded by its position: C=3, O=15, L=12, D=4. H=8, O=15, T=20.
Q18. If BLUE = 25, RED = 27, then GREEN = ?
- A) 49
- B) 52
- C) 47
- D) 55
Show Answer & Explanation
Answer: A) 49
BLUE: B(2)+L(12)+U(21)+E(5)=40? Let's try letter positions sum: B=2,L=12,U=21,E=5=40. RED: R=18,E=5,D=4=27. GREEN: G=7,R=18,E=5,E=5,N=14=49.
BLUE: B(2)+L(12)+U(21)+E(5)=40? Let's try letter positions sum: B=2,L=12,U=21,E=5=40. RED: R=18,E=5,D=4=27. GREEN: G=7,R=18,E=5,E=5,N=14=49.
Q19. If in a code, 'A' is written as 'Z', 'B' as 'Y', 'C' as 'X', what letter represents 'M'?
- A) N
- B) P
- C) O
- D) M
Show Answer & Explanation
Answer: A) N
This is a mirror code (A↔Z, B↔Y…). M is the 13th letter; its mirror is the 14th = N.
This is a mirror code (A↔Z, B↔Y…). M is the 13th letter; its mirror is the 14th = N.
Q20. If 'STAR' is coded as 'RATS', how is 'FLOW' coded?
- A) WOLF
- B) WLOF
- C) FOWL
- D) OLFW
Show Answer & Explanation
Answer: A) WOLF
STAR reversed is RATS. FLOW reversed is WOLF.
STAR reversed is RATS. FLOW reversed is WOLF.
Exam Strategy for Coding-Decoding: In UP Police, aim to solve Coding-Decoding questions in 45–60 seconds each. If a puzzle question is taking over 2 minutes, skip and return later.
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