You might like to know<\/p>\n
Create an auto-grading quiz\/assessment without any coding – try OnlineExamMaker today<\/a>!<\/p>\n<\/div>\n 1. What type of programming language is Ruby? 2. Who is the creator of Ruby? 3. Which of the following is the correct way to define a class in Ruby? 4. In Ruby, what is the symbol used to denote instance variables? 5. Which Ruby data type is used to represent a sequence of characters? 6. What does IRB stand for in Ruby? 7. What is the output of the following Ruby code snippet? 8. In Ruby, how do you define a method? 9. Which method is used to convert a string to uppercase in Ruby? 10. What is the output of the following Ruby code snippet? 11. What does the “self” keyword refer to in a Ruby class? 12. In Ruby, what does the “attr_accessor” method do? 13. What is the correct syntax for inheriting a class in Ruby? Download questions & answers for free<\/p>\nTable of content<\/h3>\n
\n
![\"\"](\"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/08\/Ruby-language-quiz.webp\")
<\/p>\nPart 1: 30 Ruby quiz questions & answers<\/h3>\n
\n a) Procedural
\n b) Object-oriented
\n c) Functional
\n d) Scripting
\n Answer: b) Object-oriented<\/p>\n
\n a) Guido van Rossum
\n b) Linus Torvalds
\n c) Yukihiro Matsumoto
\n d) Larry Wall
\n Answer: c) Yukihiro Matsumoto<\/p>\n
\n a) class MyClass
\n b) class = MyClass
\n c) MyClass class
\n d) MyClass()
\n Answer: a) class MyClass<\/p>\n
\n a) $
\n b) @
\n c) #
\n d) %
\n Answer: b) @<\/p>\n
\n a) Integer
\n b) Float
\n c) String
\n d) Array
\n Answer: c) String<\/p>\n
\n a) Interactive Ruby
\n b) Integrated Ruby Building
\n c) Integrated Rails Bundle
\n d) Interactive Ruby Console
\n Answer: a) Interactive Ruby<\/p>\n
\n “`
\n x = 5
\n y = 10
\n z = x + y
\n puts z
\n “`
\n a) 5
\n b) 10
\n c) 15
\n d) Error
\n Answer: c) 15<\/p>\n
\n a) func method_name {}
\n b) def method_name
\n c) method_name { }
\n d) define method_name
\n Answer: b) def method_name<\/p>\n
\n a) upcase
\n b) upper
\n c) uppercase
\n d) to_upper
\n Answer: a) upcase<\/p>\n
\n “`
\n array = [1, 2, 3, 4, 5]
\n array.each do |num|
\n puts num * 2
\n end
\n “`
\n a) 1, 2, 3, 4, 5
\n b) 2, 4, 6, 8, 10
\n c) 2, 3, 4, 5, 6
\n d) 1, 4, 9, 16, 25
\n Answer: b) 2, 4, 6, 8, 10<\/p>\n
\n a) The parent class
\n b) The current object instance
\n c) The class itself
\n d) The superclass
\n Answer: b) The current object instance<\/p>\n
\n a) Defines a new method in a class
\n b) Provides read and write accessors for an instance variable
\n c) Retrieves the class of an object
\n d) Creates a new instance of a class
\n Answer: b) Provides read and write accessors for an instance variable<\/p>\n
\n a) class ChildClass < BaseClass\n b) class ChildClass : BaseClass\n c) class ChildClass extends BaseClass\n d) class ChildClass > BaseClass
\n Answer: a) class ChildClass < BaseClass\n\n14. What is the purpose of the \"require\" keyword in Ruby?\n a) To include a module in a class\n b) To define a new class\n c) To include external libraries or files\n d) To create a loop\n Answer: c) To include external libraries or files\n\n15. What is the output of the following Ruby code snippet?\n ```\n 10.times do |i|\n puts i if i.even?\n end\n ```\n a) 0, 2, 4, 6, 8, 10\n b) 1, 3, 5, 7, 9\n c) 1, 2, 3, 4, 5\n d) 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10\n Answer: a) 0, 2, 4, 6, 8\n\n\n\nPart 2: Download Ruby questions & answers for free<\/h3>\n