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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.

How to comment a single line?

  1. A. Using #
  2. B. Using begin and end
  3. C. Using //
  4. D. None of the mentioned
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Methods should not be written inside double quotes.

  1. A. True
  2. B. False
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Which of the following datatypes are valid in Ruby?

  1. A. Numbers
  2. B. Boolean
  3. C. String
  4. D. All of the mentioned
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What does %x!ls! represents?

  1. A. Same as back tick command output 'ls'
  2. B. Same as 'x'
  3. C. Same as "xls"
  4. D. None of the mentioned
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Which sequence can be used to substitute the value of any ruby expression in a string?

  1. A. #(expr)
  2. B. #{expr}
  3. C. #expr
  4. D. None of the mentioned
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The downcase method changes the whole string to smallcase letters.

  1. A. True
  2. B. False
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The .upcase and .capitalize method are used for capitalizing the whole string.

  1. A. True
  2. B. False
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What will we the output of the given code? "I'am Learning RUBY Language".downcase

  1. A. iam learning ruby language
  2. B. i'AM lEARNING ruby lANGUAGE
  3. C. "i'am learning ruby language"
  4. D. None of the mentioned
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We use semicolon or parentheses after every print or puts statement.

  1. A. True
  2. B. False
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What is the output of given code? puts "what is your first name?" name=gets.chomp puts "what is your surname?" surname=gets.chomp

  1. A. Error in compilation
  2. B. What is your first name? xyz(enter any name) What is your surname? wtu(enter your surname)
  3. C. Name=xyz
  4. D. None of the mentioned
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Objects of which class does the integer from the range -2^30 to 2^(30-1) belong to?

  1. A. Bignum
  2. B. Octal
  3. C. Fixnum
  4. D. Binary
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What is the output of the given code? Ans=Ruby puts "#[Ans] is an oop language"

  1. A. Error, no output
  2. B. Ruby is an oop language
  3. C. Warning:already initialized constant Ans
  4. D. None of the mentioned
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