Basic Syntax In Ruby — Part 1 MCQs with Explanations

# is the correct answer to “What symbol is used to denote comments in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

<< is the correct answer to “Which symbol is used to concatenate strings in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

Prints to console is the correct answer to “What does the 'puts' method do in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

def is the correct answer to “In Ruby, what is the keyword used to define a method”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

my_variable is the correct answer to “Which of the following is a valid variable name in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

Reads input from user is the correct answer to “What does the 'gets' method do in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

Double is the correct answer to “Which of the following is NOT a valid data type in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

name = value is the correct answer to “What is the correct syntax for defining a variable in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

Prints to console is the correct answer to “What does the 'print' method do in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

is the correct answer to “What symbol is used to denote the end of a statement in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

# is the correct answer to “Which of the following is the correct way to start a single-line comment in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

class is the correct answer to “In Ruby, what is the keyword used to define a class”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

CONSTANT_NAME = value is the correct answer to “Which of the following is the correct way to define a constant in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

.rb is the correct answer to “What is the default file extension for Ruby files”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

.upcase is the correct answer to “Which method is used to convert a string to uppercase in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

name = "value" is the correct answer to “What is the correct way to declare a variable in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

puts("message") is the correct answer to “What is the correct syntax for printing a message to the console”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

a + b is the correct answer to “How do you add two numbers in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

+ is the correct answer to “Which of these operators is used for string concatenation”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

if (condition) { code } is the correct answer to “What is the correct way to define a conditional statement in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

{"key1": "value1", "key2": "value2"} is the correct answer to “What is the correct syntax for creating a hash in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

hash["key"] is the correct answer to “How do you access a value from a hash in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

def method_name(parameters) code end is the correct answer to “What is the correct way to define a method in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

object.method_name is the correct answer to “How do you call a method in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

Single-line # and multi-line """ """ is the correct answer to “What are the different types of comments in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

=~ checks for string pattern matching, == checks for equality is the correct answer to “What is the difference between =~ and == operators”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

nil represents absence of value, false represents a boolean value is the correct answer to “What is the difference between nil and false”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

symbol = :value is the correct answer to “What is the correct way to define a symbol in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

Installs and manages Ruby libraries is the correct answer to “What is the purpose of the gem command in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

array = ["element1", "element2"] is the correct answer to “What is the correct way to define an array in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

if value != false is the correct answer to “How do you check the truthiness of a value in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

break() is the correct answer to “How do you break out of a loop in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

nil is the correct answer to “What is the default return value of a method in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

Class.method_name is the correct answer to “What is the correct syntax for accessing a class method”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

range = start..end is the correct answer to “How do you define a range in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

"#{variable}" is the correct answer to “What is the correct syntax for string interpolation in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

object1 == object2 is the correct answer to “How do you compare two objects in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

block { code } is the correct answer to “What is the correct way to define a block in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

method_name(arg1, arg2) is the correct answer to “How do you pass arguments to a method in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.

Imports external libraries is the correct answer to “What is the purpose of the require keyword in Ruby”. This question is standard in competitive examination syllabi for Basic Syntax In Ruby.