Tips: Familiarise yourself with common coding patterns, such as letter shifting, number coding, and substitution. Practise different types of coding-decoding questions to improve speed and accuracy.

Get 10+ important coding and decoding multiple choice questions with detailed answers and explanations. Ideal for SSC, UPSC, Bank, Railways, and other competitive exams.

Chase-type Algorithm: An iterative decoding strategy that explores multiple candidate codewords based on reliability metrics.

Types of Coding Decoding Questions The following are the main types of coding decoding questions that commonly appear in exams.