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World largest railway track? 

1. A and B each have a certain number of mangoes. A says to B, "if you give 30 of your mangoes, I will have twice as many as left with you." B replies, "if you give me 10, I will have thrice as many as left with you." How many mangoes does each have?

The MI5 intercepts an audio file (Ex3_sound1.wav). You are suspicious that it contains secret data
embedded in the file by the LSB audio steganography method, a common method of audio
steganography consisting of hiding the secret data into the least significant bit (LSB) of an audio file.
The first task of Exercise 3 is to create an application in Python (exercise 3.1) that must extract and
read the hidden message embedded in Ex3_sound1.wav.

Create the python code to do the above

If light of wavelength 6600 A has 20 wave trains long, what are its coherence length and

coherence time?

Establishment-I

Functions of the Division

Establishment cases of Gazetted Officers, other than (i) members of CSSS of the Department, (ii) members of its attached/subordinate offices and (iii) the work looked after by E.IV Section, involving reference to and from: –i) The Union Public Service Commission (UPSC)ii) The Appointments Committee of the Cabinet (ACC)iii) The Department of Personnel & Training and the Cabinet Secretariat.iv) Departmental Promotion Committee (DPC)All Establishment matters relating to Gazetted Officers of Department of Commerce, viz., vacancy position, appointment against vacancies etc.Framing of Recruitment Rules in respect of Gazetted Officers (ex-cadre posts).Maintenance of Communal Roster for Gazetted posts in the Department of CommerceAllocation of work amongst Officers in the Department of Commerce.Fixation of pay of Group A Officers involving issue of special order of sanction.Misc. Establishment matters in respect of Gazetted Officers of the Department viz. grant of leave, encashment of leave, forwarding of applications to the UPSC etc., verification of character and antecedents, medical examination of Officers appointed through UPSC.References relating to Home Town declaration in respect of Gazetted Officers in the Department properWork relating to Indian Economic Service/ Indian Statistical Service / Indian Cost & Accounts Service (ICOS)/Indian Trade Service (ITS) and Official LanguageWork relating to Group Insurance Scheme for Central Govt. Employees (for Gazetted Officers)Work relating to maintenance of service records, fixation of pay etc. in respect of all Gazetted OfficersVerification of service of Gazetted Officers

Confidential Cell

Annual Performance Appraisal Report/Performance Appraisal Report of Gazetted and Non-gazetted Officers.

Officers in the Division

Establishment-3

Functions of the Division

Establishment cases of Gazetted Officers, other than (i) members of CSSS of the Department, (ii) members of its attached/subordinate offices and (iii) the work looked after by E.IV Section, involving reference to and from: –i) The Union Public Service Commission (UPSC)ii) The Appointments Committee of the Cabinet (ACC)iii) The Department of Personnel & Training and the Cabinet Secretariat.iv) Departmental Promotion Committee (DPC)All Establishment matters relating to Gazetted Officers of Department of Commerce, viz., vacancy position, appointment against vacancies etc.Framing of Recruitment Rules in respect of Gazetted Officers (ex-cadre posts).Maintenance of Communal Roster for Gazetted posts in the Department of CommerceAllocation of work amongst Officers in the Department of Commerce.Fixation of pay of Group A Officers involving issue of special order of sanction.Misc. Establishment matters in respect of Gazetted Officers of the Department viz. grant of leave, encashment of leave, forwarding of applications to the UPSC etc., verification of character and antecedents, medical examination of Officers appointed through UPSC.References relating to Home Town declaration in respect of Gazetted Officers in the Department properWork relating to Indian Economic Service/ Indian Statistical Service / Indian Cost & Accounts Service (ICOS)/Indian Trade Service (ITS) and Official LanguageWork relating to Group Insurance Scheme for Central Govt. Employees (for Gazetted Officers)Work relating to maintenance of service records, fixation of pay etc. in respect of all Gazetted OfficersVerification of service of Gazetted Officers

Confidential Cell

Annual Performance Appraisal Report/Performance Appraisal Report of Gazetted and Non-gazetted Officers.

Officers in the Division

What is enduarance

How is sweat formed?

Java is a versatile and powerful programming language that is widely used for a variety of applications. This post will provide a summary of the basics of Java programming, including syntax, data types, control structures, and classes.

Java follows a specific syntax that includes case sensitivity, indentation, and variable and method naming conventions. Proper syntax is essential for writing clean and readable code.

Java has various data types, including primitive types (e.g., int, float, char) and reference types (e.g., String, Object). Understanding data types is crucial for effective data manipulation and storage.

Control structures allow developers to control the flow of a program. Java supports various control structures, such as if-else, while, for, and switch statements, which help in making decisions and managing loops.

Java is an object-oriented programming language, which means that everything in Java is an object. Classes are blueprints for objects and define their properties and behaviors. Objects are instances of a class. Understanding classes and objects is fundamental to building robust Java applications.

Once you have a solid grasp of the basics, you can delve into more advanced Java concepts, such as:

• Design Patterns: Reusable solutions to common problems in software design.
• Multithreading and Concurrency: Techniques for creating responsive and efficient applications with multiple threads of execution.
• Java Collections Framework: A library of interfaces and classes for managing collections of objects, such as lists, sets, and maps.
• Java Database Connectivity (JDBC): A library that enables Java applications to interact with databases.
• Java Networking Programming: Techniques for creating network-enabled applications that can communicate with other systems.

By mastering these advanced concepts, you will be well-equipped to develop complex and high-performance Java applications.

Remember that Java is a vast language with many possibilities. Keep exploring and practicing to become a proficient Java programmer!

What is cell

Music Appreciation is a topic that encompasses the understanding, enjoyment, and analysis of various musical styles and genres. It involves learning about the history of music, its cultural significance, and the techniques used by musicians to create their compositions. Through music appreciation, one can develop a deeper connection with music and gain a better understanding of its impact on society.

• History of Music: Delving into the origins of various music styles and genres, and understanding their evolution over time.
• Musical Elements: Familiarizing oneself with the basic elements of music, such as melody, harmony, rhythm, and form.
• Musical Instruments: Exploring different types of instruments and their unique characteristics, including their history, construction, and role in various music styles.
• Composers and Performers: Learning about the lives and works of prominent composers and performers, their contributions to the music world, and the impact of their works on society.

• Enhanced Creativity: Developing a deeper understanding of music can inspire creativity and help in the expression of one's own ideas and emotions.
• Cultural Awareness: Learning about different musical styles and genres can foster appreciation for diverse cultures and their unique contributions to the world of music.
• Emotional Connection: Music appreciation allows one to develop a stronger emotional connection with music, leading to a more fulfilling and meaningful listening experience.
• Cognitive Benefits: Studies have shown that engaging in music appreciation activities can have cognitive benefits, such as improving memory, attention, and problem-solving skills.

By exploring the world of music appreciation, one can gain a deeper understanding of the art form and develop a stronger emotional and intellectual connection with the music they listen to.