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Q. Which operator is used for addition in Ruby?
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Q. What is the difference between nil and false?
Q. What is the purpose of using version control systems (VCS) like Git in Ruby development?
Q. What is the purpose of the --no-document flag when installing gems using Bundler?
Q. Which method is used to subtract a number of days from a Date object in Ruby?
Q. How do you find the day of the week for a given Date object in Ruby?
Q. equal? Operator is used for?
Q. Which testing framework is commonly used for behavior-driven development (BDD) in Ruby?
Q. What is the result of the expression: 3 ** 2 in Ruby?
Q. Which concept in OOP allows objects to exhibit multiple behaviors based on their types or class?
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