Question

What is the extension used for saving the ruby file?

(a) .ruby extension

(b) .rb extension

(c) .rrb extension

(d) None of the mentioned

The question was posed to me during a job interview.

This interesting question is from Basics in portion Ruby Basics of Ruby

Answer 1

The correct answer is (b) .rb extension

For explanation: Ruby files must be saved with the extension .rb.