The Ruby Array class offers some of the most-used methods in the ruby ecosystem. Regardless of your level of experience with the language you have almost certainly used some of these methods in your code. Have a go at the quiz below to see how well you know Ruby arrays.


In an earlier blog post we discussed the set operations that are available on Ruby arrays, and when these operations can be useful. These set operations form a small part of the very powerful interface exposed by the Ruby Array class.

In this post we offer a short, 10-question quiz, which can help you to test how well you know the Ruby Array methods. Give it a go and see how well you perform.


  1. Original blog post about Set operations on Ruby arrays
  2. All examples used in this post are using Ruby v3.1
  3. Official Ruby Array docs


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