Which of the following is a syntax error when declaring a module in Ruby?

easy📝 Syntax Q12 of 15

Ruby - Modules and Mixins

Amodule Tools { def help end }

Bmodule Tools def self.help end end

Cmodule Tools end

Dmodule Tools CONSTANT = 10 end

Step-by-Step Solution

Solution:

Step 1: Check Ruby module block delimiters
Ruby modules use module ... end without braces { }.
Step 2: Identify invalid syntax
module Tools { def help end } uses braces { } which is invalid syntax for module declaration in Ruby.
Final Answer:
module Tools { def help end } -> Option A
Quick Check:
Ruby modules use 'module ... end', not braces [OK]

Quick Trick: Ruby modules never use curly braces for blocks [OK]

Common Mistakes:

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