UPSC Civil Service · Logical Reasoning and General Mental Ability · 2021 – 2026
Coding and Decoding
12 previous year questions from 6 papers in one PDF, with the answer key at the end.
Contents
12 questions, by question type- 1 MCQ (Single Correct Answer) 12 questions
- 2 Answer key every question
How to use this PDF
- Print it or solve on screen. A4, black and white friendly.
- Check your answers with the answer key on the last pages.
- Stuck on a question? Scan the QR code beside it for the full solution on ExamSIDE.
When and where it was asked
12 questions on Coding and Decoding have appeared in UPSC Civil Service from 2021 to 2026, in 6 papers; 2026 had 1.
Year by year
- 2026 1 question
- 2025 4 questions
- 2024 3 questions
- 2023 1 question
- 2022 1 question
- 2021 2 questions