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Basic Syntax In Ruby MCQs

Practice Basic Syntax In Ruby MCQs for competitive exams.

Basic Syntax In Ruby MCQs

Practice questions from this topic.

What is the correct syntax for creating a hash in Ruby?

  1. A. {"key1": "value1", "key2": "value2"}
  2. B. hash = {}
  3. C. hash.add("key", "value")
  4. D. Hash.new("key", "value")
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What is the correct way to define a conditional statement in Ruby?

  1. A. if (condition) { code }
  2. B. if condition then code end
  3. C. if condition: code
  4. D. when condition; code
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Which of these operators is used for string concatenation?

  1. A. +
  2. B. *
  3. C. -
  4. D. /
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How do you add two numbers in Ruby?

  1. A. add(a
  2. B. B. a + b
  3. C. a.add(b)
  4. D. b.add(a)
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What is the correct syntax for printing a message to the console?

  1. A. console.log("message")
  2. B. print("message")
  3. C. puts("message")
  4. D. write("message")
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What is the correct way to declare a variable in Ruby?

  1. A. var name = "value"
  2. B. let name = "value"
  3. C. name = "value"
  4. D. const name = "value"
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Which method is used to convert a string to uppercase in Ruby?

  1. A. .to_uppercase
  2. B. .upper
  3. C. .upcase
  4. D. .uppercase
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What is the default file extension for Ruby files?

  1. A. .ru
  2. B. .rby
  3. C. .rb
  4. D. .ruby
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Which of the following is the correct way to define a constant in Ruby?

  1. A. CONSTANT_NAME = value
  2. B. constant_name = value
  3. C. CONSTANT_NAME : value
  4. D. constant name = value
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In Ruby, what is the keyword used to define a class?

  1. A. class
  2. B. define
  3. C. cls
  4. D. defclass
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Which of the following is the correct way to start a single-line comment in Ruby?

  1. A. //
  2. B. /*
  3. C. #
  4. D. --
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What does the 'print' method do in Ruby?

  1. A. Prints to console
  2. B. Converts to string
  3. C. Reads input from user
  4. D. Finds the length
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