Best Ruby Test - 83+ MCQs: Ruby test: Evaluate Your Programming Skills with Ruby Questions and Answers

1. How do you define a method in Ruby?

def my_method

function my_method

method my_method

define my_method

2. What is the output of the code 'puts true && false' in Ruby?

true

false

true && false

error

3. What is the purpose of the 'unless' keyword in Ruby?

To define a new class

To create a new object

To execute code when a condition is false

To raise an exception

4. What is a 'Proc' in Ruby?

A built-in data type

A reserved keyword

A block of code that can be assigned to a variable

A way to create objects

5. What is the Ruby equivalent of 'null' in some other programming languages?

undefined

nil

void

empty

6. What is the purpose of the '__FILE__' constant in Ruby?

To define a new file

To get the current file's name

To access a global variable

To create a new object

7. What is the Ruby convention for naming variables?

CamelCase

snake_case

kebab-case

PascalCase

8. What is the purpose of the 'initialize' method in a Ruby class?

To create a new object

To define instance variables

To define a class

To print output

9. What is the purpose of the 'attr_accessor' keyword in Ruby?

To define a class

To access class attributes

To create a new object

To define a method

10. In Ruby, what is a lambda?

A built-in data type

A block of code that can be assigned to a variable

A special method for defining classes

A way to create strings

Ruby MCQ Test 5