What symbol is used to denote comments in Ruby?
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Which symbol is used to concatenate strings in Ruby?
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What does the 'puts' method do in Ruby?
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In Ruby, what is the keyword used to define a method?
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Which of the following is a valid variable name in Ruby?
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What does the 'gets' method do in Ruby?
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Which of the following is NOT a valid data type in Ruby?
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What is the correct syntax for defining a variable in Ruby?
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What does the 'print' method do in Ruby?
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What symbol is used to denote the end of a statement in Ruby?
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Which of the following is the correct way to start a single-line comment in Ruby?
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In Ruby, what is the keyword used to define a class?
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Which of the following is the correct way to define a constant in Ruby?
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What is the default file extension for Ruby files?
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Which method is used to convert a string to uppercase in Ruby?
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What is the correct way to declare a variable in Ruby?
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What is the correct syntax for printing a message to the console?
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How do you add two numbers in Ruby?
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Which of these operators is used for string concatenation?
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What is the correct way to define a conditional statement in Ruby?
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