Coding Quiz
Practice quiz on Coding (Reasoning & Mental Aptitude). 10 exam-style questions with explanations.
About This Quiz
Coding 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, ..., then the code of 'BAD' is
- A.2 1 4
- B.4 1 2
- C.2 4 1
- D.1 2 4
Show answer
Answer: A. 2 1 4
Positions.
Q2.If 'CAT' is written as 'DBU', then 'DOG' is written as
- A.DPH
- B.EPG
- C.EOH
- D.EPH
Show answer
Answer: D. EPH
+1.
Q3.In a code, 'ONE' is '15 14 5'. Then 'TWO' is
- A.20 23 15
- B.21 23 16
- C.19 22 14
- D.20 22 15
Show answer
Answer: A. 20 23 15
Letter positions.
Q4.If MOTHER is coded as NPUIFS, then SISTER is coded as
- A.TJSUFS
- B.SJTUFS
- C.TJTUFS
- D.TITUFS
Show answer
Answer: C. TJTUFS
+1.
Q5.If 'PEN' = 'RGP', then 'CAP' = ?
- A.FDS
- B.DBQ
- C.EDR
- D.ECR
Show answer
Answer: D. ECR
+2.
Q6.If 'A' = 'Z', 'B' = 'Y', 'C' = 'X', then 'ABC' = ?
- A.ZXY
- B.ZYX
- C.XYZ
- D.YZX
Show answer
Answer: B. ZYX
Mirror.
Q7.If 'RAM' = 18 1 13, then 'SITA' = ?
- A.19 8 20 1
- B.19 9 19 1
- C.19 9 20 1
- D.18 9 20 1
Show answer
Answer: C. 19 9 20 1
Positions.
Q8.If 'BLUE' = 'CMVF', then 'GREEN' = ?
- A.GSFFO
- B.HSEEO
- C.HSFFO
- D.HQFFO
Show answer
Answer: C. HSFFO
+1.
Q9.If DELHI = EFMIJ, then MUMBAI = ?
- A.NVMCBJ
- B.NVNCAJ
- C.NVNCBJ
- D.NUNCBJ
Show answer
Answer: C. NVNCBJ
+1.
Q10.If CAT = 24 (3 + 1 + 20), then DOG = ?
- A.28
- B.22
- C.26
- D.24
Show answer
Answer: C. 26
4 + 15 + 7.
Frequently Asked Questions
Is Coding Quiz free to attempt on AajExam?
Yes. Coding Quiz is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.
How long does it take to complete Coding Quiz?
Coding 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 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 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.