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Cheatsheet: Coding & Decoding | General Aptitude for GATE - Mechanical Engineering PDF Download

Theory

For transmitting secret messages from one place to another, especially in defense services, Coding is used. Decoding is the ability to break the secret code. The codes are based on various principles or patterns.Questions based on coding-decoding could be given to judge the intelligence and mental ability of the candidates.

Cheatsheet: Coding & Decoding | General Aptitude for GATE - Mechanical Engineering

Tips

  • Remembering English alphabets with their corresponding number value will help you a lot in this section. The position of a letter in english alphabet is considered to be its numerical value. Hence, A = 1 and Z = 26.
  • The numbering system of alphabets is cyclical in nature i.e. we consider A to come after Z. Hence, A (value=1) changes to D(value=4) then Z (value=26) changes to C (value=26+3-26 = 3).

Solved Example

Question for Cheatsheet: Coding & Decoding
Try yourself:If PINK is written as MLKN, how will ROSE be written?
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Question for Cheatsheet: Coding & Decoding
Try yourself:If SELDOM is written as MFTLNC, how will PRINCE be written?
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Question for Cheatsheet: Coding & Decoding
Try yourself:If GREAT is written as BVBCS, how will UNTIL be written?
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Question for Cheatsheet: Coding & Decoding
Try yourself:If OPPOSITE is written as NOQPTJSD, how will STRAIGHT be written?
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Question for Cheatsheet: Coding & Decoding
Try yourself:If STUDENT is written as RRTBDLS, how will OFFICER be written?
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FAQs on Cheatsheet: Coding & Decoding - General Aptitude for GATE - Mechanical Engineering

1. What is coding and decoding in the context of banking exams?
Ans. Coding and decoding in banking exams refer to the process of converting a given set of information or data into a specific code or format, and then deciphering or decoding it back to its original form. This is often done to maintain the confidentiality of sensitive information and to ensure secure communication within the banking sector.
2. Why is coding and decoding important in banking exams?
Ans. Coding and decoding are important in banking exams as they help in securing sensitive information and maintaining confidentiality. By using codes, banks can protect customer data and prevent unauthorized access. Additionally, coding and decoding techniques can be used to ensure secure communication between different banking systems and entities.
3. What are some common coding and decoding techniques used in banking exams?
Ans. Some common coding and decoding techniques used in banking exams include substitution ciphers, transposition ciphers, and cryptographic algorithms. Substitution ciphers involve replacing letters or symbols with other letters or symbols according to a specific rule or key. Transposition ciphers involve rearranging the order of letters or symbols. Cryptographic algorithms use complex mathematical functions to encrypt and decrypt data.
4. How are coding and decoding skills assessed in banking exams?
Ans. Coding and decoding skills are typically assessed in banking exams through questions or exercises that require candidates to decipher coded information or apply coding rules to a given set of data. These questions may involve solving puzzles, finding patterns, or identifying the logic behind a particular coding scheme.
5. How can I improve my coding and decoding skills for banking exams?
Ans. To improve coding and decoding skills for banking exams, practice is key. Solve coding and decoding puzzles regularly to enhance your problem-solving abilities and pattern recognition skills. Familiarize yourself with different coding techniques and understand the logic behind them. Additionally, stay updated with the latest coding and decoding methods used in the banking sector by referring to relevant study materials and resources.
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