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Solution: Addition Quiz Game

Explore how to create an addition quiz game in Ruby by generating random numbers and managing user input through the command line. Understand best practices for incrementing counters and validating answers to develop interactive command-line applications.

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Solution

count = 0 
10.times do
  num1 = rand(10)
  num2 = rand(10)
  print "#{num1} + #{num2} =" 
  answer = num1 + num2
  input = gets.chomp.to_i
  if answer == input
    puts "Correct!"
    count = count += 1 
  else
    puts "Wrong!" 
  end
end
puts "Your score is #{count}/10"
Solution for addition quiz game

Explanation

  • Lines 3–4: We generate two random numbers in the range of 0–9 by using rand(10) ...