Free Ruby Association Ruby-Programmer-Gold Exam Questions

In Ruby, the use of blocks is a fundamental concept for iterating over collections and executing code repeatedly. Examine the following Ruby code snippet:numbers = [1, 2, 3, 4, 5]sum = 0numbers.each { |number| sum += number }doubled = numbers.map { |number| number * 2 } Based on this code, which two of the following statements are true regarding the use and functionality of blocks?

In Ruby, the understanding of operators and their precedence is crucial for writing correct and efficient code. Consider the following Ruby code snippet:a = 10b = 3result1 = a + b * 2result2 = (a + b) % 3result3 = a ** b / 2 Based on this code, which two of the following statements are true regarding the use of operators and their precedence?

Review the following Ruby code snippet:def execute_operations(operations) operations.each do |operation| result = send(operation) break result if result == :error endend def operation1 :successend def operation2 :errorend def operation3 :successend result = execute_operations([:operation1, :operation2, :operation3]) What will be the value of result after executing this code?

In Ruby, the understanding of operators and their precedence is crucial for writing correct and efficient code. Consider the following Ruby code snippet:a = 10b = 3result1 = a + b * 2result2 = (a + b) % 3result3 = a ** b / 2 Based on this code, which two of the following statements are true regarding the use of operators and their precedence?

Evaluate the following Ruby code snippet that involves the forwardable and date modules:require 'forwardable'require 'date' class Project extend Forwardable def_delegators :@deadline, :month, :day  attr_accessor :name attr_reader :deadline  def initialize(name, deadline) @name = name @deadline = Date.parse(deadline) endend project = Project.new("Ruby Exam Prep", "2024-06-30")result1 = project.monthresult2 = project.dayproject.deadline = Date.parse("2024-07-15")result3 = project.month What will be the values of result1, result2, and result3, respectively?