Coding and Decoding Quiz
Practice quiz on Coding and Decoding (General Intelligence & Reasoning). 10 exam-style questions with explanations.
About This Quiz
Coding and Decoding Quiz — Questions with Solutions
All 10 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.If A = 1, B = 2, C = 3, D = 4, then DAD is coded as
- A.4 1 4
- B.4 4 1
- C.2 4 2
- D.1 4 1
Show answer
Answer: A. 4 1 4
D=4, A=1, D=4.
Q2.In a code, 'ROSE' is written as 'SPTF'. Then 'LILY' is written as
- A.KHKX
- B.MJMZ
- C.LJMZ
- D.MJLZ
Show answer
Answer: B. MJMZ
+1.
Q3.If 'BAT' is coded as 'DCV', then 'CAT' is coded as
- A.DBU
- B.EDW
- C.ECW
- D.ECV
Show answer
Answer: D. ECV
+2 each.
Q4.If CAT is coded as 3 1 20, then BAD is coded as
- A.2 4 1
- B.1 2 4
- C.4 1 2
- D.2 1 4
Show answer
Answer: D. 2 1 4
Positions in the alphabet.
Q5.If PAPER is coded as QBQFS, then CHAIR is coded as
- A.DIBJR
- B.DIAJS
- C.DHBJS
- D.DIBJS
Show answer
Answer: D. DIBJS
+1.
Q6.If 'COME' = 'EQOG', then 'HELP' = ?
- A.IGNQ
- B.JGNR
- C.JGMR
- D.JFMS
Show answer
Answer: B. JGNR
+2 each.
Q7.If each letter of MOBILE is moved one step forward, MOBILE becomes
- A.NPCJMF
- B.LNAHKD
- C.NPBJMF
- D.MPCJMF
Show answer
Answer: A. NPCJMF
+1 for each letter.
Q8.If 'WATER' is coded as 'XBUFS', then 'FIRE' is coded as
- A.GISF
- B.GJSE
- C.FJSF
- D.GJSF
Show answer
Answer: D. GJSF
+1.
Q9.If CAT = 24 (3+1+20), then BAT = ?
- A.24
- B.23
- C.22
- D.25
Show answer
Answer: B. 23
2+1+20.
Q10.If CAT = 24 (3+1+20) then DOG = ?
- A.28
- B.24
- C.26
- D.22
Show answer
Answer: C. 26
4+15+7.
Frequently Asked Questions
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Coding and Decoding Quiz runs on a 10-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
Are detailed solutions provided?
Yes. Every question on Coding and Decoding Quiz ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt Coding and Decoding Quiz multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
Which government exams does this quiz prepare me for?
Coding-Decoding questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.